Home / 704,793.40-1,057,190.10-172,308.11

Finding the Fourth Proportional to 704,793.40, 1,057,190.10 and 172,308.11

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Solution

The fourth proportional to 704,793.40, 1,057,190.10 and 172,308.11 is: 258,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,793.40 : 1,057,190.10 = 172,308.11 : x
  2. Step 2: Convert to fraction form
    704,793.40/1,057,190.10 = 172,308.11/x
  3. Step 3: Cross multiply
    704,793.40x = 1,057,190.10 × 172,308.11
  4. Step 4: Simplify right side
    704,793.40x = 182,162,422,755.76
  5. Step 5: Solve for x
    x = 182,162,422,755.76/704,793.40
  6. Step 6: Final answer
    x = 258,462.16

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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.