Home / 708,357.38-977,504.67-386,060.54

Finding the Fourth Proportional to 708,357.38, 977,504.67 and 386,060.54

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Solution

The fourth proportional to 708,357.38, 977,504.67 and 386,060.54 is: 532,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,357.38 : 977,504.67 = 386,060.54 : x
  2. Step 2: Convert to fraction form
    708,357.38/977,504.67 = 386,060.54/x
  3. Step 3: Cross multiply
    708,357.38x = 977,504.67 × 386,060.54
  4. Step 4: Simplify right side
    708,357.38x = 377,375,980,752.72
  5. Step 5: Solve for x
    x = 377,375,980,752.72/708,357.38
  6. Step 6: Final answer
    x = 532,748.00

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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.