Home / 929,688.10-1,394,532.15-331,324.90

Finding the Fourth Proportional to 929,688.10, 1,394,532.15 and 331,324.90

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Solution

The fourth proportional to 929,688.10, 1,394,532.15 and 331,324.90 is: 496,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,688.10 : 1,394,532.15 = 331,324.90 : x
  2. Step 2: Convert to fraction form
    929,688.10/1,394,532.15 = 331,324.90/x
  3. Step 3: Cross multiply
    929,688.10x = 1,394,532.15 × 331,324.90
  4. Step 4: Simplify right side
    929,688.10x = 462,043,225,145.54
  5. Step 5: Solve for x
    x = 462,043,225,145.54/929,688.10
  6. Step 6: Final answer
    x = 496,987.35

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Double scale
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Similar ratio
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1.5x scale

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.