Home / 678,630.77-1,017,945.29-173,191.76

Finding the Fourth Proportional to 678,630.77, 1,017,945.29 and 173,191.76

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Solution

The fourth proportional to 678,630.77, 1,017,945.29 and 173,191.76 is: 259,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,630.77 : 1,017,945.29 = 173,191.76 : x
  2. Step 2: Convert to fraction form
    678,630.77/1,017,945.29 = 173,191.76/x
  3. Step 3: Cross multiply
    678,630.77x = 1,017,945.29 × 173,191.76
  4. Step 4: Simplify right side
    678,630.77x = 176,299,730,403.13
  5. Step 5: Solve for x
    x = 176,299,730,403.13/678,630.77
  6. Step 6: Final answer
    x = 259,787.41

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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.