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Finding the Fourth Proportional to 664,277.76, 996,221.61 and 304,244.82

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Solution

The fourth proportional to 664,277.76, 996,221.61 and 304,244.82 is: 456,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,277.76 : 996,221.61 = 304,244.82 : x
  2. Step 2: Convert to fraction form
    664,277.76/996,221.61 = 304,244.82/x
  3. Step 3: Cross multiply
    664,277.76x = 996,221.61 × 304,244.82
  4. Step 4: Simplify right side
    664,277.76x = 303,095,264,414.56
  5. Step 5: Solve for x
    x = 303,095,264,414.56/664,277.76
  6. Step 6: Final answer
    x = 456,277.90

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1.5x scale

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.