Home / 708,358.13-977,505.70-386,061.29

Finding the Fourth Proportional to 708,358.13, 977,505.70 and 386,061.29

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Solution

The fourth proportional to 708,358.13, 977,505.70 and 386,061.29 is: 532,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,358.13 : 977,505.70 = 386,061.29 : x
  2. Step 2: Convert to fraction form
    708,358.13/977,505.70 = 386,061.29/x
  3. Step 3: Cross multiply
    708,358.13x = 977,505.70 × 386,061.29
  4. Step 4: Simplify right side
    708,358.13x = 377,377,111,524.35
  5. Step 5: Solve for x
    x = 377,377,111,524.35/708,358.13
  6. Step 6: Final answer
    x = 532,749.04

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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.