Home / 704,639.30-1,056,949.74-172,164.95

Finding the Fourth Proportional to 704,639.30, 1,056,949.74 and 172,164.95

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Solution

The fourth proportional to 704,639.30, 1,056,949.74 and 172,164.95 is: 258,245.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,639.30 : 1,056,949.74 = 172,164.95 : x
  2. Step 2: Convert to fraction form
    704,639.30/1,056,949.74 = 172,164.95/x
  3. Step 3: Cross multiply
    704,639.30x = 1,056,949.74 × 172,164.95
  4. Step 4: Simplify right side
    704,639.30x = 181,969,693,854.86
  5. Step 5: Solve for x
    x = 181,969,693,854.86/704,639.30
  6. Step 6: Final answer
    x = 258,245.17

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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.