Home / 859,995.20-1,289,660.88-283,480.04

Finding the Fourth Proportional to 859,995.20, 1,289,660.88 and 283,480.04

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Solution

The fourth proportional to 859,995.20, 1,289,660.88 and 283,480.04 is: 425,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,995.20 : 1,289,660.88 = 283,480.04 : x
  2. Step 2: Convert to fraction form
    859,995.20/1,289,660.88 = 283,480.04/x
  3. Step 3: Cross multiply
    859,995.20x = 1,289,660.88 × 283,480.04
  4. Step 4: Simplify right side
    859,995.20x = 365,593,117,848.84
  5. Step 5: Solve for x
    x = 365,593,117,848.84/859,995.20
  6. Step 6: Final answer
    x = 425,110.65

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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.