Home / 704,749.64-1,057,115.26-172,275.34

Finding the Fourth Proportional to 704,749.64, 1,057,115.26 and 172,275.34

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Solution

The fourth proportional to 704,749.64, 1,057,115.26 and 172,275.34 is: 258,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,749.64 : 1,057,115.26 = 172,275.34 : x
  2. Step 2: Convert to fraction form
    704,749.64/1,057,115.26 = 172,275.34/x
  3. Step 3: Cross multiply
    704,749.64x = 1,057,115.26 × 172,275.34
  4. Step 4: Simplify right side
    704,749.64x = 182,114,890,835.69
  5. Step 5: Solve for x
    x = 182,114,890,835.69/704,749.64
  6. Step 6: Final answer
    x = 258,410.76

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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.