Home / 704,641.44-1,056,948.24-172,146.72

Finding the Fourth Proportional to 704,641.44, 1,056,948.24 and 172,146.72

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Solution

The fourth proportional to 704,641.44, 1,056,948.24 and 172,146.72 is: 258,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,641.44 : 1,056,948.24 = 172,146.72 : x
  2. Step 2: Convert to fraction form
    704,641.44/1,056,948.24 = 172,146.72/x
  3. Step 3: Cross multiply
    704,641.44x = 1,056,948.24 × 172,146.72
  4. Step 4: Simplify right side
    704,641.44x = 181,950,172,725.77
  5. Step 5: Solve for x
    x = 181,950,172,725.77/704,641.44
  6. Step 6: Final answer
    x = 258,216.68

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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.