Home / 437,621.60-656,432.40-437,621.60

Finding the Fourth Proportional to 437,621.60, 656,432.40 and 437,621.60

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Solution

The fourth proportional to 437,621.60, 656,432.40 and 437,621.60 is: 656,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,621.60 : 656,432.40 = 437,621.60 : x
  2. Step 2: Convert to fraction form
    437,621.60/656,432.40 = 437,621.60/x
  3. Step 3: Cross multiply
    437,621.60x = 656,432.40 × 437,621.60
  4. Step 4: Simplify right side
    437,621.60x = 287,268,997,179.84
  5. Step 5: Solve for x
    x = 287,268,997,179.84/437,621.60
  6. Step 6: Final answer
    x = 656,432.40

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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.