Home / 748,714.20-1,123,071.30-729,031.20

Finding the Fourth Proportional to 748,714.20, 1,123,071.30 and 729,031.20

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Solution

The fourth proportional to 748,714.20, 1,123,071.30 and 729,031.20 is: 1,093,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,714.20 : 1,123,071.30 = 729,031.20 : x
  2. Step 2: Convert to fraction form
    748,714.20/1,123,071.30 = 729,031.20/x
  3. Step 3: Cross multiply
    748,714.20x = 1,123,071.30 × 729,031.20
  4. Step 4: Simplify right side
    748,714.20x = 818,754,017,524.56
  5. Step 5: Solve for x
    x = 818,754,017,524.56/748,714.20
  6. Step 6: Final answer
    x = 1,093,546.80

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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.