Home / 891,425.28-1,337,006.08-260,169.60

Finding the Fourth Proportional to 891,425.28, 1,337,006.08 and 260,169.60

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Solution

The fourth proportional to 891,425.28, 1,337,006.08 and 260,169.60 is: 390,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,425.28 : 1,337,006.08 = 260,169.60 : x
  2. Step 2: Convert to fraction form
    891,425.28/1,337,006.08 = 260,169.60/x
  3. Step 3: Cross multiply
    891,425.28x = 1,337,006.08 × 260,169.60
  4. Step 4: Simplify right side
    891,425.28x = 347,848,337,031.17
  5. Step 5: Solve for x
    x = 347,848,337,031.17/891,425.28
  6. Step 6: Final answer
    x = 390,215.92

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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.