Home / 998,658.96-1,498,210.20-288,633.30

Finding the Fourth Proportional to 998,658.96, 1,498,210.20 and 288,633.30

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Solution

The fourth proportional to 998,658.96, 1,498,210.20 and 288,633.30 is: 433,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,658.96 : 1,498,210.20 = 288,633.30 : x
  2. Step 2: Convert to fraction form
    998,658.96/1,498,210.20 = 288,633.30/x
  3. Step 3: Cross multiply
    998,658.96x = 1,498,210.20 × 288,633.30
  4. Step 4: Simplify right side
    998,658.96x = 432,433,354,119.66
  5. Step 5: Solve for x
    x = 432,433,354,119.66/998,658.96
  6. Step 6: Final answer
    x = 433,014.04

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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.