Home / 910,742.49-1,366,073.24-311,757.21

Finding the Fourth Proportional to 910,742.49, 1,366,073.24 and 311,757.21

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Solution

The fourth proportional to 910,742.49, 1,366,073.24 and 311,757.21 is: 467,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,742.49 : 1,366,073.24 = 311,757.21 : x
  2. Step 2: Convert to fraction form
    910,742.49/1,366,073.24 = 311,757.21/x
  3. Step 3: Cross multiply
    910,742.49x = 1,366,073.24 × 311,757.21
  4. Step 4: Simplify right side
    910,742.49x = 425,883,180,399.27
  5. Step 5: Solve for x
    x = 425,883,180,399.27/910,742.49
  6. Step 6: Final answer
    x = 467,621.95

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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.