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Finding the Fourth Proportional to 542,465.40, 813,698.10 and 484,404.60

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Solution

The fourth proportional to 542,465.40, 813,698.10 and 484,404.60 is: 726,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,465.40 : 813,698.10 = 484,404.60 : x
  2. Step 2: Convert to fraction form
    542,465.40/813,698.10 = 484,404.60/x
  3. Step 3: Cross multiply
    542,465.40x = 813,698.10 × 484,404.60
  4. Step 4: Simplify right side
    542,465.40x = 394,159,102,651.26
  5. Step 5: Solve for x
    x = 394,159,102,651.26/542,465.40
  6. Step 6: Final answer
    x = 726,606.90

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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.