Home / 748,415.10-1,123,463.95-299,452.70

Finding the Fourth Proportional to 748,415.10, 1,123,463.95 and 299,452.70

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Solution

The fourth proportional to 748,415.10, 1,123,463.95 and 299,452.70 is: 449,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,415.10 : 1,123,463.95 = 299,452.70 : x
  2. Step 2: Convert to fraction form
    748,415.10/1,123,463.95 = 299,452.70/x
  3. Step 3: Cross multiply
    748,415.10x = 1,123,463.95 × 299,452.70
  4. Step 4: Simplify right side
    748,415.10x = 336,424,313,180.17
  5. Step 5: Solve for x
    x = 336,424,313,180.17/748,415.10
  6. Step 6: Final answer
    x = 449,515.67

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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.