Home / 542,977.83-749,377.98-356,866.56

Finding the Fourth Proportional to 542,977.83, 749,377.98 and 356,866.56

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Solution

The fourth proportional to 542,977.83, 749,377.98 and 356,866.56 is: 492,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,977.83 : 749,377.98 = 356,866.56 : x
  2. Step 2: Convert to fraction form
    542,977.83/749,377.98 = 356,866.56/x
  3. Step 3: Cross multiply
    542,977.83x = 749,377.98 × 356,866.56
  4. Step 4: Simplify right side
    542,977.83x = 267,427,941,862.35
  5. Step 5: Solve for x
    x = 267,427,941,862.35/542,977.83
  6. Step 6: Final answer
    x = 492,520.92

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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.