Home / 830,868.30-1,246,512.51-231,829.29

Finding the Fourth Proportional to 830,868.30, 1,246,512.51 and 231,829.29

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Solution

The fourth proportional to 830,868.30, 1,246,512.51 and 231,829.29 is: 347,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,868.30 : 1,246,512.51 = 231,829.29 : x
  2. Step 2: Convert to fraction form
    830,868.30/1,246,512.51 = 231,829.29/x
  3. Step 3: Cross multiply
    830,868.30x = 1,246,512.51 × 231,829.29
  4. Step 4: Simplify right side
    830,868.30x = 288,978,110,169.42
  5. Step 5: Solve for x
    x = 288,978,110,169.42/830,868.30
  6. Step 6: Final answer
    x = 347,802.55

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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.