Home / 689,299.33-951,092.24-402,764.05

Finding the Fourth Proportional to 689,299.33, 951,092.24 and 402,764.05

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Solution

The fourth proportional to 689,299.33, 951,092.24 and 402,764.05 is: 555,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,299.33 : 951,092.24 = 402,764.05 : x
  2. Step 2: Convert to fraction form
    689,299.33/951,092.24 = 402,764.05/x
  3. Step 3: Cross multiply
    689,299.33x = 951,092.24 × 402,764.05
  4. Step 4: Simplify right side
    689,299.33x = 383,065,762,505.97
  5. Step 5: Solve for x
    x = 383,065,762,505.97/689,299.33
  6. Step 6: Final answer
    x = 555,732.10

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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.