Home / 747,612.19-1,121,434.14-267,871.24

Finding the Fourth Proportional to 747,612.19, 1,121,434.14 and 267,871.24

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Solution

The fourth proportional to 747,612.19, 1,121,434.14 and 267,871.24 is: 401,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,612.19 : 1,121,434.14 = 267,871.24 : x
  2. Step 2: Convert to fraction form
    747,612.19/1,121,434.14 = 267,871.24/x
  3. Step 3: Cross multiply
    747,612.19x = 1,121,434.14 × 267,871.24
  4. Step 4: Simplify right side
    747,612.19x = 300,399,953,660.13
  5. Step 5: Solve for x
    x = 300,399,953,660.13/747,612.19
  6. Step 6: Final answer
    x = 401,812.54

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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.