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Finding the Fourth Proportional to 612,370.88, 917,700.96 and 296,744

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Solution

The fourth proportional to 612,370.88, 917,700.96 and 296,744 is: 444,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,370.88 : 917,700.96 = 296,744 : x
  2. Step 2: Convert to fraction form
    612,370.88/917,700.96 = 296,744/x
  3. Step 3: Cross multiply
    612,370.88x = 917,700.96 × 296,744
  4. Step 4: Simplify right side
    612,370.88x = 272,322,253,674.24
  5. Step 5: Solve for x
    x = 272,322,253,674.24/612,370.88
  6. Step 6: Final answer
    x = 444,701.51

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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.