Home / 901,859.31-1,243,967.04-579,976.65

Finding the Fourth Proportional to 901,859.31, 1,243,967.04 and 579,976.65

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Solution

The fourth proportional to 901,859.31, 1,243,967.04 and 579,976.65 is: 799,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,859.31 : 1,243,967.04 = 579,976.65 : x
  2. Step 2: Convert to fraction form
    901,859.31/1,243,967.04 = 579,976.65/x
  3. Step 3: Cross multiply
    901,859.31x = 1,243,967.04 × 579,976.65
  4. Step 4: Simplify right side
    901,859.31x = 721,471,836,569.62
  5. Step 5: Solve for x
    x = 721,471,836,569.62/901,859.31
  6. Step 6: Final answer
    x = 799,982.69

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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.