Home / 859,557.44-1,288,022.88-360,649.28

Finding the Fourth Proportional to 859,557.44, 1,288,022.88 and 360,649.28

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Solution

The fourth proportional to 859,557.44, 1,288,022.88 and 360,649.28 is: 540,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,557.44 : 1,288,022.88 = 360,649.28 : x
  2. Step 2: Convert to fraction form
    859,557.44/1,288,022.88 = 360,649.28/x
  3. Step 3: Cross multiply
    859,557.44x = 1,288,022.88 × 360,649.28
  4. Step 4: Simplify right side
    859,557.44x = 464,524,524,295.53
  5. Step 5: Solve for x
    x = 464,524,524,295.53/859,557.44
  6. Step 6: Final answer
    x = 540,422.90

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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.