Home / 840,498.30-1,259,591.04-360,151.11

Finding the Fourth Proportional to 840,498.30, 1,259,591.04 and 360,151.11

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Solution

The fourth proportional to 840,498.30, 1,259,591.04 and 360,151.11 is: 539,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,498.30 : 1,259,591.04 = 360,151.11 : x
  2. Step 2: Convert to fraction form
    840,498.30/1,259,591.04 = 360,151.11/x
  3. Step 3: Cross multiply
    840,498.30x = 1,259,591.04 × 360,151.11
  4. Step 4: Simplify right side
    840,498.30x = 453,643,111,202.05
  5. Step 5: Solve for x
    x = 453,643,111,202.05/840,498.30
  6. Step 6: Final answer
    x = 539,731.15

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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.