Home / 704,081.88-1,056,167.39-272,005.40

Finding the Fourth Proportional to 704,081.88, 1,056,167.39 and 272,005.40

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Solution

The fourth proportional to 704,081.88, 1,056,167.39 and 272,005.40 is: 408,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,081.88 : 1,056,167.39 = 272,005.40 : x
  2. Step 2: Convert to fraction form
    704,081.88/1,056,167.39 = 272,005.40/x
  3. Step 3: Cross multiply
    704,081.88x = 1,056,167.39 × 272,005.40
  4. Step 4: Simplify right side
    704,081.88x = 287,283,226,743.04
  5. Step 5: Solve for x
    x = 287,283,226,743.04/704,081.88
  6. Step 6: Final answer
    x = 408,025.31

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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.