Home / 709,132.28-1,063,690.22-203,705.65

Finding the Fourth Proportional to 709,132.28, 1,063,690.22 and 203,705.65

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Solution

The fourth proportional to 709,132.28, 1,063,690.22 and 203,705.65 is: 305,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,132.28 : 1,063,690.22 = 203,705.65 : x
  2. Step 2: Convert to fraction form
    709,132.28/1,063,690.22 = 203,705.65/x
  3. Step 3: Cross multiply
    709,132.28x = 1,063,690.22 × 203,705.65
  4. Step 4: Simplify right side
    709,132.28x = 216,679,707,663.74
  5. Step 5: Solve for x
    x = 216,679,707,663.74/709,132.28
  6. Step 6: Final answer
    x = 305,556.12

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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.