Home / 780,432.02-1,170,759.59-240,733.88

Finding the Fourth Proportional to 780,432.02, 1,170,759.59 and 240,733.88

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Solution

The fourth proportional to 780,432.02, 1,170,759.59 and 240,733.88 is: 361,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,432.02 : 1,170,759.59 = 240,733.88 : x
  2. Step 2: Convert to fraction form
    780,432.02/1,170,759.59 = 240,733.88/x
  3. Step 3: Cross multiply
    780,432.02x = 1,170,759.59 × 240,733.88
  4. Step 4: Simplify right side
    780,432.02x = 281,841,491,590.44
  5. Step 5: Solve for x
    x = 281,841,491,590.44/780,432.02
  6. Step 6: Final answer
    x = 361,135.23

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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.