Home / 908,008.67-1,361,540.07-338,921.81

Finding the Fourth Proportional to 908,008.67, 1,361,540.07 and 338,921.81

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Solution

The fourth proportional to 908,008.67, 1,361,540.07 and 338,921.81 is: 508,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,008.67 : 1,361,540.07 = 338,921.81 : x
  2. Step 2: Convert to fraction form
    908,008.67/1,361,540.07 = 338,921.81/x
  3. Step 3: Cross multiply
    908,008.67x = 1,361,540.07 × 338,921.81
  4. Step 4: Simplify right side
    908,008.67x = 461,455,624,911.93
  5. Step 5: Solve for x
    x = 461,455,624,911.93/908,008.67
  6. Step 6: Final answer
    x = 508,206.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.