Home / 747,356.40-1,120,815.90-267,528.60

Finding the Fourth Proportional to 747,356.40, 1,120,815.90 and 267,528.60

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Solution

The fourth proportional to 747,356.40, 1,120,815.90 and 267,528.60 is: 401,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,356.40 : 1,120,815.90 = 267,528.60 : x
  2. Step 2: Convert to fraction form
    747,356.40/1,120,815.90 = 267,528.60/x
  3. Step 3: Cross multiply
    747,356.40x = 1,120,815.90 × 267,528.60
  4. Step 4: Simplify right side
    747,356.40x = 299,850,308,584.74
  5. Step 5: Solve for x
    x = 299,850,308,584.74/747,356.40
  6. Step 6: Final answer
    x = 401,214.61

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Double scale
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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.