Home / 721,043.03-1,081,563.17-271,864.66

Finding the Fourth Proportional to 721,043.03, 1,081,563.17 and 271,864.66

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Solution

The fourth proportional to 721,043.03, 1,081,563.17 and 271,864.66 is: 407,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,043.03 : 1,081,563.17 = 271,864.66 : x
  2. Step 2: Convert to fraction form
    721,043.03/1,081,563.17 = 271,864.66/x
  3. Step 3: Cross multiply
    721,043.03x = 1,081,563.17 × 271,864.66
  4. Step 4: Simplify right side
    721,043.03x = 294,038,798,072.76
  5. Step 5: Solve for x
    x = 294,038,798,072.76/721,043.03
  6. Step 6: Final answer
    x = 407,796.47

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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.