Home / 810,041.52-1,117,867.68-447,463.92

Finding the Fourth Proportional to 810,041.52, 1,117,867.68 and 447,463.92

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Solution

The fourth proportional to 810,041.52, 1,117,867.68 and 447,463.92 is: 617,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,041.52 : 1,117,867.68 = 447,463.92 : x
  2. Step 2: Convert to fraction form
    810,041.52/1,117,867.68 = 447,463.92/x
  3. Step 3: Cross multiply
    810,041.52x = 1,117,867.68 × 447,463.92
  4. Step 4: Simplify right side
    810,041.52x = 500,205,454,134.11
  5. Step 5: Solve for x
    x = 500,205,454,134.11/810,041.52
  6. Step 6: Final answer
    x = 617,505.94

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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.