Home / 781,081.76-1,077,918.24-432,226.16

Finding the Fourth Proportional to 781,081.76, 1,077,918.24 and 432,226.16

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Solution

The fourth proportional to 781,081.76, 1,077,918.24 and 432,226.16 is: 596,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,081.76 : 1,077,918.24 = 432,226.16 : x
  2. Step 2: Convert to fraction form
    781,081.76/1,077,918.24 = 432,226.16/x
  3. Step 3: Cross multiply
    781,081.76x = 1,077,918.24 × 432,226.16
  4. Step 4: Simplify right side
    781,081.76x = 465,904,461,669.16
  5. Step 5: Solve for x
    x = 465,904,461,669.16/781,081.76
  6. Step 6: Final answer
    x = 596,486.16

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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.