Home / 794,339.50-1,191,134.82-288,543.91

Finding the Fourth Proportional to 794,339.50, 1,191,134.82 and 288,543.91

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Solution

The fourth proportional to 794,339.50, 1,191,134.82 and 288,543.91 is: 432,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,339.50 : 1,191,134.82 = 288,543.91 : x
  2. Step 2: Convert to fraction form
    794,339.50/1,191,134.82 = 288,543.91/x
  3. Step 3: Cross multiply
    794,339.50x = 1,191,134.82 × 288,543.91
  4. Step 4: Simplify right side
    794,339.50x = 343,694,692,344.27
  5. Step 5: Solve for x
    x = 343,694,692,344.27/794,339.50
  6. Step 6: Final answer
    x = 432,679.85

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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.