Home / 891,540.32-1,337,316.96-260,893.76

Finding the Fourth Proportional to 891,540.32, 1,337,316.96 and 260,893.76

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Solution

The fourth proportional to 891,540.32, 1,337,316.96 and 260,893.76 is: 391,342.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,540.32 : 1,337,316.96 = 260,893.76 : x
  2. Step 2: Convert to fraction form
    891,540.32/1,337,316.96 = 260,893.76/x
  3. Step 3: Cross multiply
    891,540.32x = 1,337,316.96 × 260,893.76
  4. Step 4: Simplify right side
    891,540.32x = 348,897,650,006.17
  5. Step 5: Solve for x
    x = 348,897,650,006.17/891,540.32
  6. Step 6: Final answer
    x = 391,342.54

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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.