Home / 689,554.16-1,034,129.16-268,729.52

Finding the Fourth Proportional to 689,554.16, 1,034,129.16 and 268,729.52

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Solution

The fourth proportional to 689,554.16, 1,034,129.16 and 268,729.52 is: 403,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,554.16 : 1,034,129.16 = 268,729.52 : x
  2. Step 2: Convert to fraction form
    689,554.16/1,034,129.16 = 268,729.52/x
  3. Step 3: Cross multiply
    689,554.16x = 1,034,129.16 × 268,729.52
  4. Step 4: Simplify right side
    689,554.16x = 277,901,032,784.80
  5. Step 5: Solve for x
    x = 277,901,032,784.80/689,554.16
  6. Step 6: Final answer
    x = 403,015.53

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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.