Home / 789,957.98-1,185,059.85-257,355.02

Finding the Fourth Proportional to 789,957.98, 1,185,059.85 and 257,355.02

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Solution

The fourth proportional to 789,957.98, 1,185,059.85 and 257,355.02 is: 386,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,957.98 : 1,185,059.85 = 257,355.02 : x
  2. Step 2: Convert to fraction form
    789,957.98/1,185,059.85 = 257,355.02/x
  3. Step 3: Cross multiply
    789,957.98x = 1,185,059.85 × 257,355.02
  4. Step 4: Simplify right side
    789,957.98x = 304,981,101,397.95
  5. Step 5: Solve for x
    x = 304,981,101,397.95/789,957.98
  6. Step 6: Final answer
    x = 386,072.56

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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.