Home / 420,472.48-580,163.36-267,455.04

Finding the Fourth Proportional to 420,472.48, 580,163.36 and 267,455.04

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Solution

The fourth proportional to 420,472.48, 580,163.36 and 267,455.04 is: 369,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,472.48 : 580,163.36 = 267,455.04 : x
  2. Step 2: Convert to fraction form
    420,472.48/580,163.36 = 267,455.04/x
  3. Step 3: Cross multiply
    420,472.48x = 580,163.36 × 267,455.04
  4. Step 4: Simplify right side
    420,472.48x = 155,167,614,655.33
  5. Step 5: Solve for x
    x = 155,167,614,655.33/420,472.48
  6. Step 6: Final answer
    x = 369,031.56

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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.