Home / 542,943.96-749,282.69-328,042.50

Finding the Fourth Proportional to 542,943.96, 749,282.69 and 328,042.50

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Solution

The fourth proportional to 542,943.96, 749,282.69 and 328,042.50 is: 452,710.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,943.96 : 749,282.69 = 328,042.50 : x
  2. Step 2: Convert to fraction form
    542,943.96/749,282.69 = 328,042.50/x
  3. Step 3: Cross multiply
    542,943.96x = 749,282.69 × 328,042.50
  4. Step 4: Simplify right side
    542,943.96x = 245,796,565,194.11
  5. Step 5: Solve for x
    x = 245,796,565,194.11/542,943.96
  6. Step 6: Final answer
    x = 452,710.75

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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.