Home / 728,432.64-1,092,780.36-222,984.36

Finding the Fourth Proportional to 728,432.64, 1,092,780.36 and 222,984.36

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Solution

The fourth proportional to 728,432.64, 1,092,780.36 and 222,984.36 is: 334,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,432.64 : 1,092,780.36 = 222,984.36 : x
  2. Step 2: Convert to fraction form
    728,432.64/1,092,780.36 = 222,984.36/x
  3. Step 3: Cross multiply
    728,432.64x = 1,092,780.36 × 222,984.36
  4. Step 4: Simplify right side
    728,432.64x = 243,672,929,195.17
  5. Step 5: Solve for x
    x = 243,672,929,195.17/728,432.64
  6. Step 6: Final answer
    x = 334,516.76

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1.5x scale

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.