Home / 885,763.70-1,221,932.94-522,944.51

Finding the Fourth Proportional to 885,763.70, 1,221,932.94 and 522,944.51

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Solution

The fourth proportional to 885,763.70, 1,221,932.94 and 522,944.51 is: 721,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,763.70 : 1,221,932.94 = 522,944.51 : x
  2. Step 2: Convert to fraction form
    885,763.70/1,221,932.94 = 522,944.51/x
  3. Step 3: Cross multiply
    885,763.70x = 1,221,932.94 × 522,944.51
  4. Step 4: Simplify right side
    885,763.70x = 639,003,117,432.02
  5. Step 5: Solve for x
    x = 639,003,117,432.02/885,763.70
  6. Step 6: Final answer
    x = 721,414.88

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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.