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Finding the Fourth Proportional to 664,258.95, 996,381.86 and 304,327.71

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Solution

The fourth proportional to 664,258.95, 996,381.86 and 304,327.71 is: 456,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,258.95 : 996,381.86 = 304,327.71 : x
  2. Step 2: Convert to fraction form
    664,258.95/996,381.86 = 304,327.71/x
  3. Step 3: Cross multiply
    664,258.95x = 996,381.86 × 304,327.71
  4. Step 4: Simplify right side
    664,258.95x = 303,226,603,235.79
  5. Step 5: Solve for x
    x = 303,226,603,235.79/664,258.95
  6. Step 6: Final answer
    x = 456,488.55

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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.