Home / 998,870.64-1,498,262.16-288,882.96

Finding the Fourth Proportional to 998,870.64, 1,498,262.16 and 288,882.96

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Solution

The fourth proportional to 998,870.64, 1,498,262.16 and 288,882.96 is: 433,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,870.64 : 1,498,262.16 = 288,882.96 : x
  2. Step 2: Convert to fraction form
    998,870.64/1,498,262.16 = 288,882.96/x
  3. Step 3: Cross multiply
    998,870.64x = 1,498,262.16 × 288,882.96
  4. Step 4: Simplify right side
    998,870.64x = 432,822,407,636.79
  5. Step 5: Solve for x
    x = 432,822,407,636.79/998,870.64
  6. Step 6: Final answer
    x = 433,311.77

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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.