Home / 993,417.60-1,489,082.96-487,277.76

Finding the Fourth Proportional to 993,417.60, 1,489,082.96 and 487,277.76

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Solution

The fourth proportional to 993,417.60, 1,489,082.96 and 487,277.76 is: 730,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,417.60 : 1,489,082.96 = 487,277.76 : x
  2. Step 2: Convert to fraction form
    993,417.60/1,489,082.96 = 487,277.76/x
  3. Step 3: Cross multiply
    993,417.60x = 1,489,082.96 × 487,277.76
  4. Step 4: Simplify right side
    993,417.60x = 725,597,009,202.97
  5. Step 5: Solve for x
    x = 725,597,009,202.97/993,417.60
  6. Step 6: Final answer
    x = 730,404.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.