Home / 924,139.40-1,386,209.10-293,102.60

Finding the Fourth Proportional to 924,139.40, 1,386,209.10 and 293,102.60

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Solution

The fourth proportional to 924,139.40, 1,386,209.10 and 293,102.60 is: 439,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,139.40 : 1,386,209.10 = 293,102.60 : x
  2. Step 2: Convert to fraction form
    924,139.40/1,386,209.10 = 293,102.60/x
  3. Step 3: Cross multiply
    924,139.40x = 1,386,209.10 × 293,102.60
  4. Step 4: Simplify right side
    924,139.40x = 406,301,491,353.66
  5. Step 5: Solve for x
    x = 406,301,491,353.66/924,139.40
  6. Step 6: Final answer
    x = 439,653.90

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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.