Home / 766,070.16-1,149,630.12-267,434.16

Finding the Fourth Proportional to 766,070.16, 1,149,630.12 and 267,434.16

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Solution

The fourth proportional to 766,070.16, 1,149,630.12 and 267,434.16 is: 401,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,070.16 : 1,149,630.12 = 267,434.16 : x
  2. Step 2: Convert to fraction form
    766,070.16/1,149,630.12 = 267,434.16/x
  3. Step 3: Cross multiply
    766,070.16x = 1,149,630.12 × 267,434.16
  4. Step 4: Simplify right side
    766,070.16x = 307,450,365,452.90
  5. Step 5: Solve for x
    x = 307,450,365,452.90/766,070.16
  6. Step 6: Final answer
    x = 401,334.47

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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.