Home / 693,053.69-1,039,617.18-219,775.95

Finding the Fourth Proportional to 693,053.69, 1,039,617.18 and 219,775.95

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Solution

The fourth proportional to 693,053.69, 1,039,617.18 and 219,775.95 is: 329,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,053.69 : 1,039,617.18 = 219,775.95 : x
  2. Step 2: Convert to fraction form
    693,053.69/1,039,617.18 = 219,775.95/x
  3. Step 3: Cross multiply
    693,053.69x = 1,039,617.18 × 219,775.95
  4. Step 4: Simplify right side
    693,053.69x = 228,482,853,370.82
  5. Step 5: Solve for x
    x = 228,482,853,370.82/693,053.69
  6. Step 6: Final answer
    x = 329,675.55

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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.