Home / 745,785.30-1,028,744.11-527,748.69

Finding the Fourth Proportional to 745,785.30, 1,028,744.11 and 527,748.69

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Solution

The fourth proportional to 745,785.30, 1,028,744.11 and 527,748.69 is: 727,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,785.30 : 1,028,744.11 = 527,748.69 : x
  2. Step 2: Convert to fraction form
    745,785.30/1,028,744.11 = 527,748.69/x
  3. Step 3: Cross multiply
    745,785.30x = 1,028,744.11 × 527,748.69
  4. Step 4: Simplify right side
    745,785.30x = 542,918,353,199.61
  5. Step 5: Solve for x
    x = 542,918,353,199.61/745,785.30
  6. Step 6: Final answer
    x = 727,982.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.