Home / 674,889.71-1,012,335.28-270,264.68

Finding the Fourth Proportional to 674,889.71, 1,012,335.28 and 270,264.68

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Solution

The fourth proportional to 674,889.71, 1,012,335.28 and 270,264.68 is: 405,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,889.71 : 1,012,335.28 = 270,264.68 : x
  2. Step 2: Convert to fraction form
    674,889.71/1,012,335.28 = 270,264.68/x
  3. Step 3: Cross multiply
    674,889.71x = 1,012,335.28 × 270,264.68
  4. Step 4: Simplify right side
    674,889.71x = 273,598,464,764.57
  5. Step 5: Solve for x
    x = 273,598,464,764.57/674,889.71
  6. Step 6: Final answer
    x = 405,397.30

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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.