Home / 999,115.40-1,498,687.32-325,200.26

Finding the Fourth Proportional to 999,115.40, 1,498,687.32 and 325,200.26

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Solution

The fourth proportional to 999,115.40, 1,498,687.32 and 325,200.26 is: 487,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,115.40 : 1,498,687.32 = 325,200.26 : x
  2. Step 2: Convert to fraction form
    999,115.40/1,498,687.32 = 325,200.26/x
  3. Step 3: Cross multiply
    999,115.40x = 1,498,687.32 × 325,200.26
  4. Step 4: Simplify right side
    999,115.40x = 487,373,506,122.70
  5. Step 5: Solve for x
    x = 487,373,506,122.70/999,115.40
  6. Step 6: Final answer
    x = 487,805.02

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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.