Home / 437,535.60-656,821.80-434,425.20

Finding the Fourth Proportional to 437,535.60, 656,821.80 and 434,425.20

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Solution

The fourth proportional to 437,535.60, 656,821.80 and 434,425.20 is: 652,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,535.60 : 656,821.80 = 434,425.20 : x
  2. Step 2: Convert to fraction form
    437,535.60/656,821.80 = 434,425.20/x
  3. Step 3: Cross multiply
    437,535.60x = 656,821.80 × 434,425.20
  4. Step 4: Simplify right side
    437,535.60x = 285,339,941,829.36
  5. Step 5: Solve for x
    x = 285,339,941,829.36/437,535.60
  6. Step 6: Final answer
    x = 652,152.51

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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.