Home / 674,478.92-1,012,419.13-451,398.24

Finding the Fourth Proportional to 674,478.92, 1,012,419.13 and 451,398.24

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Solution

The fourth proportional to 674,478.92, 1,012,419.13 and 451,398.24 is: 677,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,478.92 : 1,012,419.13 = 451,398.24 : x
  2. Step 2: Convert to fraction form
    674,478.92/1,012,419.13 = 451,398.24/x
  3. Step 3: Cross multiply
    674,478.92x = 1,012,419.13 × 451,398.24
  4. Step 4: Simplify right side
    674,478.92x = 457,004,213,424.33
  5. Step 5: Solve for x
    x = 457,004,213,424.33/674,478.92
  6. Step 6: Final answer
    x = 677,566.34

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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.