Home / 874,252.69-1,206,505.79-487,067.76

Finding the Fourth Proportional to 874,252.69, 1,206,505.79 and 487,067.76

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Solution

The fourth proportional to 874,252.69, 1,206,505.79 and 487,067.76 is: 672,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,252.69 : 1,206,505.79 = 487,067.76 : x
  2. Step 2: Convert to fraction form
    874,252.69/1,206,505.79 = 487,067.76/x
  3. Step 3: Cross multiply
    874,252.69x = 1,206,505.79 × 487,067.76
  4. Step 4: Simplify right side
    874,252.69x = 587,650,072,562.33
  5. Step 5: Solve for x
    x = 587,650,072,562.33/874,252.69
  6. Step 6: Final answer
    x = 672,174.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.