Home / 747,827.40-1,121,522.40-267,999.60

Finding the Fourth Proportional to 747,827.40, 1,121,522.40 and 267,999.60

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Solution

The fourth proportional to 747,827.40, 1,121,522.40 and 267,999.60 is: 401,921.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,827.40 : 1,121,522.40 = 267,999.60 : x
  2. Step 2: Convert to fraction form
    747,827.40/1,121,522.40 = 267,999.60/x
  3. Step 3: Cross multiply
    747,827.40x = 1,121,522.40 × 267,999.60
  4. Step 4: Simplify right side
    747,827.40x = 300,567,554,591.04
  5. Step 5: Solve for x
    x = 300,567,554,591.04/747,827.40
  6. Step 6: Final answer
    x = 401,921.02

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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.