Home / 855,477.12-1,180,540.80-473,481.12

Finding the Fourth Proportional to 855,477.12, 1,180,540.80 and 473,481.12

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Solution

The fourth proportional to 855,477.12, 1,180,540.80 and 473,481.12 is: 653,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,477.12 : 1,180,540.80 = 473,481.12 : x
  2. Step 2: Convert to fraction form
    855,477.12/1,180,540.80 = 473,481.12/x
  3. Step 3: Cross multiply
    855,477.12x = 1,180,540.80 × 473,481.12
  4. Step 4: Simplify right side
    855,477.12x = 558,963,780,189.70
  5. Step 5: Solve for x
    x = 558,963,780,189.70/855,477.12
  6. Step 6: Final answer
    x = 653,394.19

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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.