Home / 979,848.95-1,469,772.87-305,988

Finding the Fourth Proportional to 979,848.95, 1,469,772.87 and 305,988

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Solution

The fourth proportional to 979,848.95, 1,469,772.87 and 305,988 is: 458,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,848.95 : 1,469,772.87 = 305,988 : x
  2. Step 2: Convert to fraction form
    979,848.95/1,469,772.87 = 305,988/x
  3. Step 3: Cross multiply
    979,848.95x = 1,469,772.87 × 305,988
  4. Step 4: Simplify right side
    979,848.95x = 449,732,860,945.56
  5. Step 5: Solve for x
    x = 449,732,860,945.56/979,848.95
  6. Step 6: Final answer
    x = 458,981.83

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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.