Home / 755,377.98-1,042,390.53-432,863.52

Finding the Fourth Proportional to 755,377.98, 1,042,390.53 and 432,863.52

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Solution

The fourth proportional to 755,377.98, 1,042,390.53 and 432,863.52 is: 597,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,377.98 : 1,042,390.53 = 432,863.52 : x
  2. Step 2: Convert to fraction form
    755,377.98/1,042,390.53 = 432,863.52/x
  3. Step 3: Cross multiply
    755,377.98x = 1,042,390.53 × 432,863.52
  4. Step 4: Simplify right side
    755,377.98x = 451,212,834,030.47
  5. Step 5: Solve for x
    x = 451,212,834,030.47/755,377.98
  6. Step 6: Final answer
    x = 597,333.85

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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.