Home / 437,621.70-656,432.55-260,037.30

Finding the Fourth Proportional to 437,621.70, 656,432.55 and 260,037.30

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Solution

The fourth proportional to 437,621.70, 656,432.55 and 260,037.30 is: 390,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,621.70 : 656,432.55 = 260,037.30 : x
  2. Step 2: Convert to fraction form
    437,621.70/656,432.55 = 260,037.30/x
  3. Step 3: Cross multiply
    437,621.70x = 656,432.55 × 260,037.30
  4. Step 4: Simplify right side
    437,621.70x = 170,696,947,934.12
  5. Step 5: Solve for x
    x = 170,696,947,934.12/437,621.70
  6. Step 6: Final answer
    x = 390,055.95

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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.