Home / 557,414.10-835,995.06-257,731.38

Finding the Fourth Proportional to 557,414.10, 835,995.06 and 257,731.38

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Solution

The fourth proportional to 557,414.10, 835,995.06 and 257,731.38 is: 386,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,414.10 : 835,995.06 = 257,731.38 : x
  2. Step 2: Convert to fraction form
    557,414.10/835,995.06 = 257,731.38/x
  3. Step 3: Cross multiply
    557,414.10x = 835,995.06 × 257,731.38
  4. Step 4: Simplify right side
    557,414.10x = 215,462,160,486.98
  5. Step 5: Solve for x
    x = 215,462,160,486.98/557,414.10
  6. Step 6: Final answer
    x = 386,538.77

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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.