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Finding the Fourth Proportional to 498,455.45, 747,683.18 and 498,455.45

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Solution

The fourth proportional to 498,455.45, 747,683.18 and 498,455.45 is: 747,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,455.45 : 747,683.18 = 498,455.45 : x
  2. Step 2: Convert to fraction form
    498,455.45/747,683.18 = 498,455.45/x
  3. Step 3: Cross multiply
    498,455.45x = 747,683.18 × 498,455.45
  4. Step 4: Simplify right side
    498,455.45x = 372,686,753,452.05
  5. Step 5: Solve for x
    x = 372,686,753,452.05/498,455.45
  6. Step 6: Final answer
    x = 747,683.18

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Similar ratio
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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.