Home / 514,473.27-771,822.68-172,904.46

Finding the Fourth Proportional to 514,473.27, 771,822.68 and 172,904.46

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Solution

The fourth proportional to 514,473.27, 771,822.68 and 172,904.46 is: 259,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,473.27 : 771,822.68 = 172,904.46 : x
  2. Step 2: Convert to fraction form
    514,473.27/771,822.68 = 172,904.46/x
  3. Step 3: Cross multiply
    514,473.27x = 771,822.68 × 172,904.46
  4. Step 4: Simplify right side
    514,473.27x = 133,451,582,836.63
  5. Step 5: Solve for x
    x = 133,451,582,836.63/514,473.27
  6. Step 6: Final answer
    x = 259,394.59

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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.