Home / 992,795.15-1,488,155.92-486,655.31

Finding the Fourth Proportional to 992,795.15, 1,488,155.92 and 486,655.31

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Solution

The fourth proportional to 992,795.15, 1,488,155.92 and 486,655.31 is: 729,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,795.15 : 1,488,155.92 = 486,655.31 : x
  2. Step 2: Convert to fraction form
    992,795.15/1,488,155.92 = 486,655.31/x
  3. Step 3: Cross multiply
    992,795.15x = 1,488,155.92 × 486,655.31
  4. Step 4: Simplify right side
    992,795.15x = 724,218,983,079.69
  5. Step 5: Solve for x
    x = 724,218,983,079.69/992,795.15
  6. Step 6: Final answer
    x = 729,474.74

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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.