Home / 924,133.80-1,386,006.30-391,672.20

Finding the Fourth Proportional to 924,133.80, 1,386,006.30 and 391,672.20

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Solution

The fourth proportional to 924,133.80, 1,386,006.30 and 391,672.20 is: 587,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,133.80 : 1,386,006.30 = 391,672.20 : x
  2. Step 2: Convert to fraction form
    924,133.80/1,386,006.30 = 391,672.20/x
  3. Step 3: Cross multiply
    924,133.80x = 1,386,006.30 × 391,672.20
  4. Step 4: Simplify right side
    924,133.80x = 542,860,136,734.86
  5. Step 5: Solve for x
    x = 542,860,136,734.86/924,133.80
  6. Step 6: Final answer
    x = 587,425.91

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1.5x scale

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.