Home / 814,877.38-1,124,543.13-447,384.82

Finding the Fourth Proportional to 814,877.38, 1,124,543.13 and 447,384.82

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Solution

The fourth proportional to 814,877.38, 1,124,543.13 and 447,384.82 is: 617,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,877.38 : 1,124,543.13 = 447,384.82 : x
  2. Step 2: Convert to fraction form
    814,877.38/1,124,543.13 = 447,384.82/x
  3. Step 3: Cross multiply
    814,877.38x = 1,124,543.13 × 447,384.82
  4. Step 4: Simplify right side
    814,877.38x = 503,103,525,797.29
  5. Step 5: Solve for x
    x = 503,103,525,797.29/814,877.38
  6. Step 6: Final answer
    x = 617,397.83

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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.