Home / 669,063.76-1,003,384.16-219,710.56

Finding the Fourth Proportional to 669,063.76, 1,003,384.16 and 219,710.56

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Solution

The fourth proportional to 669,063.76, 1,003,384.16 and 219,710.56 is: 329,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,063.76 : 1,003,384.16 = 219,710.56 : x
  2. Step 2: Convert to fraction form
    669,063.76/1,003,384.16 = 219,710.56/x
  3. Step 3: Cross multiply
    669,063.76x = 1,003,384.16 × 219,710.56
  4. Step 4: Simplify right side
    669,063.76x = 220,454,095,688.73
  5. Step 5: Solve for x
    x = 220,454,095,688.73/669,063.76
  6. Step 6: Final answer
    x = 329,496.39

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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.