Home / 704,673.60-1,057,005.32-172,189.73

Finding the Fourth Proportional to 704,673.60, 1,057,005.32 and 172,189.73

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Solution

The fourth proportional to 704,673.60, 1,057,005.32 and 172,189.73 is: 258,283.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,673.60 : 1,057,005.32 = 172,189.73 : x
  2. Step 2: Convert to fraction form
    704,673.60/1,057,005.32 = 172,189.73/x
  3. Step 3: Cross multiply
    704,673.60x = 1,057,005.32 × 172,189.73
  4. Step 4: Simplify right side
    704,673.60x = 182,005,454,513.39
  5. Step 5: Solve for x
    x = 182,005,454,513.39/704,673.60
  6. Step 6: Final answer
    x = 258,283.34

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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.