Home / 728,063.52-1,092,586.95-254,752.98

Finding the Fourth Proportional to 728,063.52, 1,092,586.95 and 254,752.98

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Solution

The fourth proportional to 728,063.52, 1,092,586.95 and 254,752.98 is: 382,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,063.52 : 1,092,586.95 = 254,752.98 : x
  2. Step 2: Convert to fraction form
    728,063.52/1,092,586.95 = 254,752.98/x
  3. Step 3: Cross multiply
    728,063.52x = 1,092,586.95 × 254,752.98
  4. Step 4: Simplify right side
    728,063.52x = 278,339,781,421.61
  5. Step 5: Solve for x
    x = 278,339,781,421.61/728,063.52
  6. Step 6: Final answer
    x = 382,301.51

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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.