Home / 689,854.07-951,932.62-508,663.82

Finding the Fourth Proportional to 689,854.07, 951,932.62 and 508,663.82

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Solution

The fourth proportional to 689,854.07, 951,932.62 and 508,663.82 is: 701,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,854.07 : 951,932.62 = 508,663.82 : x
  2. Step 2: Convert to fraction form
    689,854.07/951,932.62 = 508,663.82/x
  3. Step 3: Cross multiply
    689,854.07x = 951,932.62 × 508,663.82
  4. Step 4: Simplify right side
    689,854.07x = 484,213,682,871.81
  5. Step 5: Solve for x
    x = 484,213,682,871.81/689,854.07
  6. Step 6: Final answer
    x = 701,907.41

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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.