Home / 749,743.90-1,123,631.70-300,096.70

Finding the Fourth Proportional to 749,743.90, 1,123,631.70 and 300,096.70

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Solution

The fourth proportional to 749,743.90, 1,123,631.70 and 300,096.70 is: 449,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,743.90 : 1,123,631.70 = 300,096.70 : x
  2. Step 2: Convert to fraction form
    749,743.90/1,123,631.70 = 300,096.70/x
  3. Step 3: Cross multiply
    749,743.90x = 1,123,631.70 × 300,096.70
  4. Step 4: Simplify right side
    749,743.90x = 337,198,165,185.39
  5. Step 5: Solve for x
    x = 337,198,165,185.39/749,743.90
  6. Step 6: Final answer
    x = 449,751.13

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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.