Home / 385,731.60-577,819.80-267,536.40

Finding the Fourth Proportional to 385,731.60, 577,819.80 and 267,536.40

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Solution

The fourth proportional to 385,731.60, 577,819.80 and 267,536.40 is: 400,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,731.60 : 577,819.80 = 267,536.40 : x
  2. Step 2: Convert to fraction form
    385,731.60/577,819.80 = 267,536.40/x
  3. Step 3: Cross multiply
    385,731.60x = 577,819.80 × 267,536.40
  4. Step 4: Simplify right side
    385,731.60x = 154,587,829,140.72
  5. Step 5: Solve for x
    x = 154,587,829,140.72/385,731.60
  6. Step 6: Final answer
    x = 400,765.27

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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.