Home / 790,151.15-1,185,178.05-486,603.14

Finding the Fourth Proportional to 790,151.15, 1,185,178.05 and 486,603.14

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Solution

The fourth proportional to 790,151.15, 1,185,178.05 and 486,603.14 is: 729,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,151.15 : 1,185,178.05 = 486,603.14 : x
  2. Step 2: Convert to fraction form
    790,151.15/1,185,178.05 = 486,603.14/x
  3. Step 3: Cross multiply
    790,151.15x = 1,185,178.05 × 486,603.14
  4. Step 4: Simplify right side
    790,151.15x = 576,711,360,589.08
  5. Step 5: Solve for x
    x = 576,711,360,589.08/790,151.15
  6. Step 6: Final answer
    x = 729,874.73

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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.