Home / 998,061.60-1,497,286.80-288,112.80

Finding the Fourth Proportional to 998,061.60, 1,497,286.80 and 288,112.80

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Solution

The fourth proportional to 998,061.60, 1,497,286.80 and 288,112.80 is: 432,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,061.60 : 1,497,286.80 = 288,112.80 : x
  2. Step 2: Convert to fraction form
    998,061.60/1,497,286.80 = 288,112.80/x
  3. Step 3: Cross multiply
    998,061.60x = 1,497,286.80 × 288,112.80
  4. Step 4: Simplify right side
    998,061.60x = 431,387,492,351.04
  5. Step 5: Solve for x
    x = 431,387,492,351.04/998,061.60
  6. Step 6: Final answer
    x = 432,225.32

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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.