Home / 689,854.32-951,932.97-508,664.07

Finding the Fourth Proportional to 689,854.32, 951,932.97 and 508,664.07

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Solution

The fourth proportional to 689,854.32, 951,932.97 and 508,664.07 is: 701,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,854.32 : 951,932.97 = 508,664.07 : x
  2. Step 2: Convert to fraction form
    689,854.32/951,932.97 = 508,664.07/x
  3. Step 3: Cross multiply
    689,854.32x = 951,932.97 × 508,664.07
  4. Step 4: Simplify right side
    689,854.32x = 484,214,098,887.39
  5. Step 5: Solve for x
    x = 484,214,098,887.39/689,854.32
  6. Step 6: Final answer
    x = 701,907.76

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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.