Home / 908,384.09-1,361,290.78-503,754.28

Finding the Fourth Proportional to 908,384.09, 1,361,290.78 and 503,754.28

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Solution

The fourth proportional to 908,384.09, 1,361,290.78 and 503,754.28 is: 754,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,384.09 : 1,361,290.78 = 503,754.28 : x
  2. Step 2: Convert to fraction form
    908,384.09/1,361,290.78 = 503,754.28/x
  3. Step 3: Cross multiply
    908,384.09x = 1,361,290.78 × 503,754.28
  4. Step 4: Simplify right side
    908,384.09x = 685,756,059,221.44
  5. Step 5: Solve for x
    x = 685,756,059,221.44/908,384.09
  6. Step 6: Final answer
    x = 754,918.61

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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.