Home / 709,151.78-1,063,719.51-203,725.22

Finding the Fourth Proportional to 709,151.78, 1,063,719.51 and 203,725.22

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Solution

The fourth proportional to 709,151.78, 1,063,719.51 and 203,725.22 is: 305,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,151.78 : 1,063,719.51 = 203,725.22 : x
  2. Step 2: Convert to fraction form
    709,151.78/1,063,719.51 = 203,725.22/x
  3. Step 3: Cross multiply
    709,151.78x = 1,063,719.51 × 203,725.22
  4. Step 4: Simplify right side
    709,151.78x = 216,706,491,193.04
  5. Step 5: Solve for x
    x = 216,706,491,193.04/709,151.78
  6. Step 6: Final answer
    x = 305,585.49

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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.