Home / 728,051.20-1,092,076.80-372,947.20

Finding the Fourth Proportional to 728,051.20, 1,092,076.80 and 372,947.20

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Solution

The fourth proportional to 728,051.20, 1,092,076.80 and 372,947.20 is: 559,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,051.20 : 1,092,076.80 = 372,947.20 : x
  2. Step 2: Convert to fraction form
    728,051.20/1,092,076.80 = 372,947.20/x
  3. Step 3: Cross multiply
    728,051.20x = 1,092,076.80 × 372,947.20
  4. Step 4: Simplify right side
    728,051.20x = 407,286,984,744.96
  5. Step 5: Solve for x
    x = 407,286,984,744.96/728,051.20
  6. Step 6: Final answer
    x = 559,420.80

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Similar ratio
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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.