Home / 704,748.64-1,057,113.76-172,274.34

Finding the Fourth Proportional to 704,748.64, 1,057,113.76 and 172,274.34

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Solution

The fourth proportional to 704,748.64, 1,057,113.76 and 172,274.34 is: 258,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,748.64 : 1,057,113.76 = 172,274.34 : x
  2. Step 2: Convert to fraction form
    704,748.64/1,057,113.76 = 172,274.34/x
  3. Step 3: Cross multiply
    704,748.64x = 1,057,113.76 × 172,274.34
  4. Step 4: Simplify right side
    704,748.64x = 182,113,575,308.92
  5. Step 5: Solve for x
    x = 182,113,575,308.92/704,748.64
  6. Step 6: Final answer
    x = 258,409.26

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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.