Home / 859,994.20-1,289,659.38-283,479.04

Finding the Fourth Proportional to 859,994.20, 1,289,659.38 and 283,479.04

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Solution

The fourth proportional to 859,994.20, 1,289,659.38 and 283,479.04 is: 425,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,994.20 : 1,289,659.38 = 283,479.04 : x
  2. Step 2: Convert to fraction form
    859,994.20/1,289,659.38 = 283,479.04/x
  3. Step 3: Cross multiply
    859,994.20x = 1,289,659.38 × 283,479.04
  4. Step 4: Simplify right side
    859,994.20x = 365,591,402,969.40
  5. Step 5: Solve for x
    x = 365,591,402,969.40/859,994.20
  6. Step 6: Final answer
    x = 425,109.15

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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.