Home / 708,337.24-977,476.93-386,040.43

Finding the Fourth Proportional to 708,337.24, 977,476.93 and 386,040.43

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Solution

The fourth proportional to 708,337.24, 977,476.93 and 386,040.43 is: 532,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,337.24 : 977,476.93 = 386,040.43 : x
  2. Step 2: Convert to fraction form
    708,337.24/977,476.93 = 386,040.43/x
  3. Step 3: Cross multiply
    708,337.24x = 977,476.93 × 386,040.43
  4. Step 4: Simplify right side
    708,337.24x = 377,345,614,372.28
  5. Step 5: Solve for x
    x = 377,345,614,372.28/708,337.24
  6. Step 6: Final answer
    x = 532,720.28

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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.