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Finding the Fourth Proportional to 704,508, 1,056,540.24 and 231,083.28

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Solution

The fourth proportional to 704,508, 1,056,540.24 and 231,083.28 is: 346,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,508 : 1,056,540.24 = 231,083.28 : x
  2. Step 2: Convert to fraction form
    704,508/1,056,540.24 = 231,083.28/x
  3. Step 3: Cross multiply
    704,508x = 1,056,540.24 × 231,083.28
  4. Step 4: Simplify right side
    704,508x = 244,148,784,111.19
  5. Step 5: Solve for x
    x = 244,148,784,111.19/704,508
  6. Step 6: Final answer
    x = 346,552.18

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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.