Home / 855,351.96-1,180,680.75-492,920.25

Finding the Fourth Proportional to 855,351.96, 1,180,680.75 and 492,920.25

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Solution

The fourth proportional to 855,351.96, 1,180,680.75 and 492,920.25 is: 680,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,351.96 : 1,180,680.75 = 492,920.25 : x
  2. Step 2: Convert to fraction form
    855,351.96/1,180,680.75 = 492,920.25/x
  3. Step 3: Cross multiply
    855,351.96x = 1,180,680.75 × 492,920.25
  4. Step 4: Simplify right side
    855,351.96x = 581,981,450,460.19
  5. Step 5: Solve for x
    x = 581,981,450,460.19/855,351.96
  6. Step 6: Final answer
    x = 680,399.97

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Half scale
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Double scale
Find fourth proportional to 855,352.96, 1,180,682.13 and 492,921.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.