Home / 781,244.73-1,171,746.22-301,402.55

Finding the Fourth Proportional to 781,244.73, 1,171,746.22 and 301,402.55

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Solution

The fourth proportional to 781,244.73, 1,171,746.22 and 301,402.55 is: 452,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,244.73 : 1,171,746.22 = 301,402.55 : x
  2. Step 2: Convert to fraction form
    781,244.73/1,171,746.22 = 301,402.55/x
  3. Step 3: Cross multiply
    781,244.73x = 1,171,746.22 × 301,402.55
  4. Step 4: Simplify right side
    781,244.73x = 353,167,297,153.85
  5. Step 5: Solve for x
    x = 353,167,297,153.85/781,244.73
  6. Step 6: Final answer
    x = 452,057.19

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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.