Home / 908,849.92-1,254,221.70-500,967.76

Finding the Fourth Proportional to 908,849.92, 1,254,221.70 and 500,967.76

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Solution

The fourth proportional to 908,849.92, 1,254,221.70 and 500,967.76 is: 691,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,849.92 : 1,254,221.70 = 500,967.76 : x
  2. Step 2: Convert to fraction form
    908,849.92/1,254,221.70 = 500,967.76/x
  3. Step 3: Cross multiply
    908,849.92x = 1,254,221.70 × 500,967.76
  4. Step 4: Simplify right side
    908,849.92x = 628,324,635,592.39
  5. Step 5: Solve for x
    x = 628,324,635,592.39/908,849.92
  6. Step 6: Final answer
    x = 691,340.37

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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.