Home / 998,635.67-1,497,964.44-288,669.86

Finding the Fourth Proportional to 998,635.67, 1,497,964.44 and 288,669.86

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Solution

The fourth proportional to 998,635.67, 1,497,964.44 and 288,669.86 is: 433,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,635.67 : 1,497,964.44 = 288,669.86 : x
  2. Step 2: Convert to fraction form
    998,635.67/1,497,964.44 = 288,669.86/x
  3. Step 3: Cross multiply
    998,635.67x = 1,497,964.44 × 288,669.86
  4. Step 4: Simplify right side
    998,635.67x = 432,417,177,689.96
  5. Step 5: Solve for x
    x = 432,417,177,689.96/998,635.67
  6. Step 6: Final answer
    x = 433,007.95

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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.