Home / 924,373.15-1,385,641.18-643,299.91

Finding the Fourth Proportional to 924,373.15, 1,385,641.18 and 643,299.91

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Solution

The fourth proportional to 924,373.15, 1,385,641.18 and 643,299.91 is: 964,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,373.15 : 1,385,641.18 = 643,299.91 : x
  2. Step 2: Convert to fraction form
    924,373.15/1,385,641.18 = 643,299.91/x
  3. Step 3: Cross multiply
    924,373.15x = 1,385,641.18 × 643,299.91
  4. Step 4: Simplify right side
    924,373.15x = 891,382,843,726.32
  5. Step 5: Solve for x
    x = 891,382,843,726.32/924,373.15
  6. Step 6: Final answer
    x = 964,310.62

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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.