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Finding the Fourth Proportional to 437,497.60, 656,246.40 and 400,099.90

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Solution

The fourth proportional to 437,497.60, 656,246.40 and 400,099.90 is: 600,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,497.60 : 656,246.40 = 400,099.90 : x
  2. Step 2: Convert to fraction form
    437,497.60/656,246.40 = 400,099.90/x
  3. Step 3: Cross multiply
    437,497.60x = 656,246.40 × 400,099.90
  4. Step 4: Simplify right side
    437,497.60x = 262,564,119,015.36
  5. Step 5: Solve for x
    x = 262,564,119,015.36/437,497.60
  6. Step 6: Final answer
    x = 600,149.85

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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.