Home / 998,251.60-1,497,377.40-288,302.80

Finding the Fourth Proportional to 998,251.60, 1,497,377.40 and 288,302.80

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Solution

The fourth proportional to 998,251.60, 1,497,377.40 and 288,302.80 is: 432,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,251.60 : 1,497,377.40 = 288,302.80 : x
  2. Step 2: Convert to fraction form
    998,251.60/1,497,377.40 = 288,302.80/x
  3. Step 3: Cross multiply
    998,251.60x = 1,497,377.40 × 288,302.80
  4. Step 4: Simplify right side
    998,251.60x = 431,698,097,076.72
  5. Step 5: Solve for x
    x = 431,698,097,076.72/998,251.60
  6. Step 6: Final answer
    x = 432,454.20

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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.