Home / 908,562.96-1,253,871.77-500,664.11

Finding the Fourth Proportional to 908,562.96, 1,253,871.77 and 500,664.11

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Solution

The fourth proportional to 908,562.96, 1,253,871.77 and 500,664.11 is: 690,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,562.96 : 1,253,871.77 = 500,664.11 : x
  2. Step 2: Convert to fraction form
    908,562.96/1,253,871.77 = 500,664.11/x
  3. Step 3: Cross multiply
    908,562.96x = 1,253,871.77 × 500,664.11
  4. Step 4: Simplify right side
    908,562.96x = 627,768,585,008.50
  5. Step 5: Solve for x
    x = 627,768,585,008.50/908,562.96
  6. Step 6: Final answer
    x = 690,946.71

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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.