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Finding the Fourth Proportional to 480,281.40, 720,422.10 and 450,732.60

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Solution

The fourth proportional to 480,281.40, 720,422.10 and 450,732.60 is: 676,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,281.40 : 720,422.10 = 450,732.60 : x
  2. Step 2: Convert to fraction form
    480,281.40/720,422.10 = 450,732.60/x
  3. Step 3: Cross multiply
    480,281.40x = 720,422.10 × 450,732.60
  4. Step 4: Simplify right side
    480,281.40x = 324,717,726,230.46
  5. Step 5: Solve for x
    x = 324,717,726,230.46/480,281.40
  6. Step 6: Final answer
    x = 676,098.90

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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.