Home / 830,870.35-1,246,515.48-231,831.14

Finding the Fourth Proportional to 830,870.35, 1,246,515.48 and 231,831.14

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Solution

The fourth proportional to 830,870.35, 1,246,515.48 and 231,831.14 is: 347,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,870.35 : 1,246,515.48 = 231,831.14 : x
  2. Step 2: Convert to fraction form
    830,870.35/1,246,515.48 = 231,831.14/x
  3. Step 3: Cross multiply
    830,870.35x = 1,246,515.48 × 231,831.14
  4. Step 4: Simplify right side
    830,870.35x = 288,981,098,523.47
  5. Step 5: Solve for x
    x = 288,981,098,523.47/830,870.35
  6. Step 6: Final answer
    x = 347,805.29

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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.