Home / 695,857.13-1,042,013.75-458,480.15

Finding the Fourth Proportional to 695,857.13, 1,042,013.75 and 458,480.15

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Solution

The fourth proportional to 695,857.13, 1,042,013.75 and 458,480.15 is: 686,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,857.13 : 1,042,013.75 = 458,480.15 : x
  2. Step 2: Convert to fraction form
    695,857.13/1,042,013.75 = 458,480.15/x
  3. Step 3: Cross multiply
    695,857.13x = 1,042,013.75 × 458,480.15
  4. Step 4: Simplify right side
    695,857.13x = 477,742,612,899.59
  5. Step 5: Solve for x
    x = 477,742,612,899.59/695,857.13
  6. Step 6: Final answer
    x = 686,552.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.