Home / 748,866.40-1,123,304.40-299,624.80

Finding the Fourth Proportional to 748,866.40, 1,123,304.40 and 299,624.80

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Solution

The fourth proportional to 748,866.40, 1,123,304.40 and 299,624.80 is: 449,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,866.40 : 1,123,304.40 = 299,624.80 : x
  2. Step 2: Convert to fraction form
    748,866.40/1,123,304.40 = 299,624.80/x
  3. Step 3: Cross multiply
    748,866.40x = 1,123,304.40 × 299,624.80
  4. Step 4: Simplify right side
    748,866.40x = 336,569,856,189.12
  5. Step 5: Solve for x
    x = 336,569,856,189.12/748,866.40
  6. Step 6: Final answer
    x = 449,439.12

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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.