Home / 705,022.97-972,932.91-403,216.97

Finding the Fourth Proportional to 705,022.97, 972,932.91 and 403,216.97

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Solution

The fourth proportional to 705,022.97, 972,932.91 and 403,216.97 is: 556,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,022.97 : 972,932.91 = 403,216.97 : x
  2. Step 2: Convert to fraction form
    705,022.97/972,932.91 = 403,216.97/x
  3. Step 3: Cross multiply
    705,022.97x = 972,932.91 × 403,216.97
  4. Step 4: Simplify right side
    705,022.97x = 392,303,055,118.82
  5. Step 5: Solve for x
    x = 392,303,055,118.82/705,022.97
  6. Step 6: Final answer
    x = 556,440.11

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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.