Home / 767,680.40-1,151,419.80-235,254.80

Finding the Fourth Proportional to 767,680.40, 1,151,419.80 and 235,254.80

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Solution

The fourth proportional to 767,680.40, 1,151,419.80 and 235,254.80 is: 352,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,680.40 : 1,151,419.80 = 235,254.80 : x
  2. Step 2: Convert to fraction form
    767,680.40/1,151,419.80 = 235,254.80/x
  3. Step 3: Cross multiply
    767,680.40x = 1,151,419.80 × 235,254.80
  4. Step 4: Simplify right side
    767,680.40x = 270,877,034,765.04
  5. Step 5: Solve for x
    x = 270,877,034,765.04/767,680.40
  6. Step 6: Final answer
    x = 352,851.31

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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.