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Finding the Fourth Proportional to 461,989.44, 637,540.56 and 270,966.60

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Solution

The fourth proportional to 461,989.44, 637,540.56 and 270,966.60 is: 373,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,989.44 : 637,540.56 = 270,966.60 : x
  2. Step 2: Convert to fraction form
    461,989.44/637,540.56 = 270,966.60/x
  3. Step 3: Cross multiply
    461,989.44x = 637,540.56 × 270,966.60
  4. Step 4: Simplify right side
    461,989.44x = 172,752,197,905.30
  5. Step 5: Solve for x
    x = 172,752,197,905.30/461,989.44
  6. Step 6: Final answer
    x = 373,931.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.