Home / 998,040.40-1,497,279.30-492,843.40

Finding the Fourth Proportional to 998,040.40, 1,497,279.30 and 492,843.40

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Solution

The fourth proportional to 998,040.40, 1,497,279.30 and 492,843.40 is: 739,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,040.40 : 1,497,279.30 = 492,843.40 : x
  2. Step 2: Convert to fraction form
    998,040.40/1,497,279.30 = 492,843.40/x
  3. Step 3: Cross multiply
    998,040.40x = 1,497,279.30 × 492,843.40
  4. Step 4: Simplify right side
    998,040.40x = 737,924,220,961.62
  5. Step 5: Solve for x
    x = 737,924,220,961.62/998,040.40
  6. Step 6: Final answer
    x = 739,373.10

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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.