Home / 748,883.80-1,123,325.70-674,234.20

Finding the Fourth Proportional to 748,883.80, 1,123,325.70 and 674,234.20

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Solution

The fourth proportional to 748,883.80, 1,123,325.70 and 674,234.20 is: 1,011,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,883.80 : 1,123,325.70 = 674,234.20 : x
  2. Step 2: Convert to fraction form
    748,883.80/1,123,325.70 = 674,234.20/x
  3. Step 3: Cross multiply
    748,883.80x = 1,123,325.70 × 674,234.20
  4. Step 4: Simplify right side
    748,883.80x = 757,384,604,678.94
  5. Step 5: Solve for x
    x = 757,384,604,678.94/748,883.80
  6. Step 6: Final answer
    x = 1,011,351.30

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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.