Home / 955,463.76-1,318,500.45-519,882.90

Finding the Fourth Proportional to 955,463.76, 1,318,500.45 and 519,882.90

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Solution

The fourth proportional to 955,463.76, 1,318,500.45 and 519,882.90 is: 717,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,463.76 : 1,318,500.45 = 519,882.90 : x
  2. Step 2: Convert to fraction form
    955,463.76/1,318,500.45 = 519,882.90/x
  3. Step 3: Cross multiply
    955,463.76x = 1,318,500.45 × 519,882.90
  4. Step 4: Simplify right side
    955,463.76x = 685,465,837,597.31
  5. Step 5: Solve for x
    x = 685,465,837,597.31/955,463.76
  6. Step 6: Final answer
    x = 717,416.89

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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.