Home / 807,531.90-1,211,200.65-334,167.90

Finding the Fourth Proportional to 807,531.90, 1,211,200.65 and 334,167.90

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Solution

The fourth proportional to 807,531.90, 1,211,200.65 and 334,167.90 is: 501,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,531.90 : 1,211,200.65 = 334,167.90 : x
  2. Step 2: Convert to fraction form
    807,531.90/1,211,200.65 = 334,167.90/x
  3. Step 3: Cross multiply
    807,531.90x = 1,211,200.65 × 334,167.90
  4. Step 4: Simplify right side
    807,531.90x = 404,744,377,689.14
  5. Step 5: Solve for x
    x = 404,744,377,689.14/807,531.90
  6. Step 6: Final answer
    x = 501,211.63

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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.