Home / 542,942.46-749,280.61-328,041.00

Finding the Fourth Proportional to 542,942.46, 749,280.61 and 328,041.00

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Solution

The fourth proportional to 542,942.46, 749,280.61 and 328,041.00 is: 452,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,942.46 : 749,280.61 = 328,041.00 : x
  2. Step 2: Convert to fraction form
    542,942.46/749,280.61 = 328,041.00/x
  3. Step 3: Cross multiply
    542,942.46x = 749,280.61 × 328,041.00
  4. Step 4: Simplify right side
    542,942.46x = 245,794,761,356.78
  5. Step 5: Solve for x
    x = 245,794,761,356.78/542,942.46
  6. Step 6: Final answer
    x = 452,708.68

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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.