Home / 859,080.30-1,288,620.45-605,825.70

Finding the Fourth Proportional to 859,080.30, 1,288,620.45 and 605,825.70

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Solution

The fourth proportional to 859,080.30, 1,288,620.45 and 605,825.70 is: 908,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,080.30 : 1,288,620.45 = 605,825.70 : x
  2. Step 2: Convert to fraction form
    859,080.30/1,288,620.45 = 605,825.70/x
  3. Step 3: Cross multiply
    859,080.30x = 1,288,620.45 × 605,825.70
  4. Step 4: Simplify right side
    859,080.30x = 780,679,386,155.57
  5. Step 5: Solve for x
    x = 780,679,386,155.57/859,080.30
  6. Step 6: Final answer
    x = 908,738.55

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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.