Home / 924,061.20-1,385,492.40-391,437.60

Finding the Fourth Proportional to 924,061.20, 1,385,492.40 and 391,437.60

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Solution

The fourth proportional to 924,061.20, 1,385,492.40 and 391,437.60 is: 586,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,061.20 : 1,385,492.40 = 391,437.60 : x
  2. Step 2: Convert to fraction form
    924,061.20/1,385,492.40 = 391,437.60/x
  3. Step 3: Cross multiply
    924,061.20x = 1,385,492.40 × 391,437.60
  4. Step 4: Simplify right side
    924,061.20x = 542,333,819,874.24
  5. Step 5: Solve for x
    x = 542,333,819,874.24/924,061.20
  6. Step 6: Final answer
    x = 586,902.49

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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.