Home / 708,359.38-977,507.43-386,062.54

Finding the Fourth Proportional to 708,359.38, 977,507.43 and 386,062.54

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Solution

The fourth proportional to 708,359.38, 977,507.43 and 386,062.54 is: 532,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,359.38 : 977,507.43 = 386,062.54 : x
  2. Step 2: Convert to fraction form
    708,359.38/977,507.43 = 386,062.54/x
  3. Step 3: Cross multiply
    708,359.38x = 977,507.43 × 386,062.54
  4. Step 4: Simplify right side
    708,359.38x = 377,379,001,294.67
  5. Step 5: Solve for x
    x = 377,379,001,294.67/708,359.38
  6. Step 6: Final answer
    x = 532,750.76

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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.