Home / 709,114.32-1,063,719.72-203,636.52

Finding the Fourth Proportional to 709,114.32, 1,063,719.72 and 203,636.52

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Solution

The fourth proportional to 709,114.32, 1,063,719.72 and 203,636.52 is: 305,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,114.32 : 1,063,719.72 = 203,636.52 : x
  2. Step 2: Convert to fraction form
    709,114.32/1,063,719.72 = 203,636.52/x
  3. Step 3: Cross multiply
    709,114.32x = 1,063,719.72 × 203,636.52
  4. Step 4: Simplify right side
    709,114.32x = 216,612,182,036.17
  5. Step 5: Solve for x
    x = 216,612,182,036.17/709,114.32
  6. Step 6: Final answer
    x = 305,468.63

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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.