Home / 908,860.43-1,254,170.79-500,965.49

Finding the Fourth Proportional to 908,860.43, 1,254,170.79 and 500,965.49

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Solution

The fourth proportional to 908,860.43, 1,254,170.79 and 500,965.49 is: 691,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,860.43 : 1,254,170.79 = 500,965.49 : x
  2. Step 2: Convert to fraction form
    908,860.43/1,254,170.79 = 500,965.49/x
  3. Step 3: Cross multiply
    908,860.43x = 1,254,170.79 × 500,965.49
  4. Step 4: Simplify right side
    908,860.43x = 628,296,287,491.46
  5. Step 5: Solve for x
    x = 628,296,287,491.46/908,860.43
  6. Step 6: Final answer
    x = 691,301.18

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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.