Home / 998,530.10-1,497,795.15-288,581.30

Finding the Fourth Proportional to 998,530.10, 1,497,795.15 and 288,581.30

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Solution

The fourth proportional to 998,530.10, 1,497,795.15 and 288,581.30 is: 432,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,530.10 : 1,497,795.15 = 288,581.30 : x
  2. Step 2: Convert to fraction form
    998,530.10/1,497,795.15 = 288,581.30/x
  3. Step 3: Cross multiply
    998,530.10x = 1,497,795.15 × 288,581.30
  4. Step 4: Simplify right side
    998,530.10x = 432,235,671,520.70
  5. Step 5: Solve for x
    x = 432,235,671,520.70/998,530.10
  6. Step 6: Final answer
    x = 432,871.95

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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.