Home / 437,545.60-656,836.80-434,435.20

Finding the Fourth Proportional to 437,545.60, 656,836.80 and 434,435.20

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Solution

The fourth proportional to 437,545.60, 656,836.80 and 434,435.20 is: 652,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,545.60 : 656,836.80 = 434,435.20 : x
  2. Step 2: Convert to fraction form
    437,545.60/656,836.80 = 434,435.20/x
  3. Step 3: Cross multiply
    437,545.60x = 656,836.80 × 434,435.20
  4. Step 4: Simplify right side
    437,545.60x = 285,353,026,575.36
  5. Step 5: Solve for x
    x = 285,353,026,575.36/437,545.60
  6. Step 6: Final answer
    x = 652,167.51

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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.