Home / 669,357.34-1,003,822.98-219,973.66

Finding the Fourth Proportional to 669,357.34, 1,003,822.98 and 219,973.66

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Solution

The fourth proportional to 669,357.34, 1,003,822.98 and 219,973.66 is: 329,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,357.34 : 1,003,822.98 = 219,973.66 : x
  2. Step 2: Convert to fraction form
    669,357.34/1,003,822.98 = 219,973.66/x
  3. Step 3: Cross multiply
    669,357.34x = 1,003,822.98 × 219,973.66
  4. Step 4: Simplify right side
    669,357.34x = 220,814,614,902.71
  5. Step 5: Solve for x
    x = 220,814,614,902.71/669,357.34
  6. Step 6: Final answer
    x = 329,890.48

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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.