Home / 728,561.86-1,092,181.21-254,988.88

Finding the Fourth Proportional to 728,561.86, 1,092,181.21 and 254,988.88

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Solution

The fourth proportional to 728,561.86, 1,092,181.21 and 254,988.88 is: 382,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,561.86 : 1,092,181.21 = 254,988.88 : x
  2. Step 2: Convert to fraction form
    728,561.86/1,092,181.21 = 254,988.88/x
  3. Step 3: Cross multiply
    728,561.86x = 1,092,181.21 × 254,988.88
  4. Step 4: Simplify right side
    728,561.86x = 278,494,060,127.02
  5. Step 5: Solve for x
    x = 278,494,060,127.02/728,561.86
  6. Step 6: Final answer
    x = 382,251.77

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Double scale
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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.