Home / 908,009.18-1,361,540.82-338,922.32

Finding the Fourth Proportional to 908,009.18, 1,361,540.82 and 338,922.32

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Solution

The fourth proportional to 908,009.18, 1,361,540.82 and 338,922.32 is: 508,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,009.18 : 1,361,540.82 = 338,922.32 : x
  2. Step 2: Convert to fraction form
    908,009.18/1,361,540.82 = 338,922.32/x
  3. Step 3: Cross multiply
    908,009.18x = 1,361,540.82 × 338,922.32
  4. Step 4: Simplify right side
    908,009.18x = 461,456,566,681.40
  5. Step 5: Solve for x
    x = 461,456,566,681.40/908,009.18
  6. Step 6: Final answer
    x = 508,206.94

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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.