Home / 960,179.16-1,440,250.20-286,716.78

Finding the Fourth Proportional to 960,179.16, 1,440,250.20 and 286,716.78

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Solution

The fourth proportional to 960,179.16, 1,440,250.20 and 286,716.78 is: 430,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,179.16 : 1,440,250.20 = 286,716.78 : x
  2. Step 2: Convert to fraction form
    960,179.16/1,440,250.20 = 286,716.78/x
  3. Step 3: Cross multiply
    960,179.16x = 1,440,250.20 × 286,716.78
  4. Step 4: Simplify right side
    960,179.16x = 412,943,899,738.36
  5. Step 5: Solve for x
    x = 412,943,899,738.36/960,179.16
  6. Step 6: Final answer
    x = 430,069.63

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1.5x scale

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.