Home / 728,052.70-1,092,079.05-372,948.70

Finding the Fourth Proportional to 728,052.70, 1,092,079.05 and 372,948.70

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Solution

The fourth proportional to 728,052.70, 1,092,079.05 and 372,948.70 is: 559,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,052.70 : 1,092,079.05 = 372,948.70 : x
  2. Step 2: Convert to fraction form
    728,052.70/1,092,079.05 = 372,948.70/x
  3. Step 3: Cross multiply
    728,052.70x = 1,092,079.05 × 372,948.70
  4. Step 4: Simplify right side
    728,052.70x = 407,289,461,994.74
  5. Step 5: Solve for x
    x = 407,289,461,994.74/728,052.70
  6. Step 6: Final answer
    x = 559,423.05

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Double scale
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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.