Home / 908,865.92-1,254,243.76-500,983.76

Finding the Fourth Proportional to 908,865.92, 1,254,243.76 and 500,983.76

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Solution

The fourth proportional to 908,865.92, 1,254,243.76 and 500,983.76 is: 691,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,865.92 : 1,254,243.76 = 500,983.76 : x
  2. Step 2: Convert to fraction form
    908,865.92/1,254,243.76 = 500,983.76/x
  3. Step 3: Cross multiply
    908,865.92x = 1,254,243.76 × 500,983.76
  4. Step 4: Simplify right side
    908,865.92x = 628,355,754,841.34
  5. Step 5: Solve for x
    x = 628,355,754,841.34/908,865.92
  6. Step 6: Final answer
    x = 691,362.43

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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.