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Finding the Fourth Proportional to 709,092, 1,063,041.39 and 329,820.03

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Solution

The fourth proportional to 709,092, 1,063,041.39 and 329,820.03 is: 494,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,092 : 1,063,041.39 = 329,820.03 : x
  2. Step 2: Convert to fraction form
    709,092/1,063,041.39 = 329,820.03/x
  3. Step 3: Cross multiply
    709,092x = 1,063,041.39 × 329,820.03
  4. Step 4: Simplify right side
    709,092x = 350,612,343,141.04
  5. Step 5: Solve for x
    x = 350,612,343,141.04/709,092
  6. Step 6: Final answer
    x = 494,452.54

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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.