Home / 924,008.30-1,386,012.45-418,811.30

Finding the Fourth Proportional to 924,008.30, 1,386,012.45 and 418,811.30

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Solution

The fourth proportional to 924,008.30, 1,386,012.45 and 418,811.30 is: 628,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,008.30 : 1,386,012.45 = 418,811.30 : x
  2. Step 2: Convert to fraction form
    924,008.30/1,386,012.45 = 418,811.30/x
  3. Step 3: Cross multiply
    924,008.30x = 1,386,012.45 × 418,811.30
  4. Step 4: Simplify right side
    924,008.30x = 580,477,676,000.69
  5. Step 5: Solve for x
    x = 580,477,676,000.69/924,008.30
  6. Step 6: Final answer
    x = 628,216.95

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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.