Home / 497,302.60-744,204.30-455,312.20

Finding the Fourth Proportional to 497,302.60, 744,204.30 and 455,312.20

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Solution

The fourth proportional to 497,302.60, 744,204.30 and 455,312.20 is: 681,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,302.60 : 744,204.30 = 455,312.20 : x
  2. Step 2: Convert to fraction form
    497,302.60/744,204.30 = 455,312.20/x
  3. Step 3: Cross multiply
    497,302.60x = 744,204.30 × 455,312.20
  4. Step 4: Simplify right side
    497,302.60x = 338,845,297,082.46
  5. Step 5: Solve for x
    x = 338,845,297,082.46/497,302.60
  6. Step 6: Final answer
    x = 681,366.43

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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.