Home / 855,632.23-1,180,786.40-468,441.11

Finding the Fourth Proportional to 855,632.23, 1,180,786.40 and 468,441.11

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Solution

The fourth proportional to 855,632.23, 1,180,786.40 and 468,441.11 is: 646,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,632.23 : 1,180,786.40 = 468,441.11 : x
  2. Step 2: Convert to fraction form
    855,632.23/1,180,786.40 = 468,441.11/x
  3. Step 3: Cross multiply
    855,632.23x = 1,180,786.40 × 468,441.11
  4. Step 4: Simplify right side
    855,632.23x = 553,128,894,255.32
  5. Step 5: Solve for x
    x = 553,128,894,255.32/855,632.23
  6. Step 6: Final answer
    x = 646,456.36

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Double scale
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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.