Home / 503,004.34-694,087.77-288,131.59

Finding the Fourth Proportional to 503,004.34, 694,087.77 and 288,131.59

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Solution

The fourth proportional to 503,004.34, 694,087.77 and 288,131.59 is: 397,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,004.34 : 694,087.77 = 288,131.59 : x
  2. Step 2: Convert to fraction form
    503,004.34/694,087.77 = 288,131.59/x
  3. Step 3: Cross multiply
    503,004.34x = 694,087.77 × 288,131.59
  4. Step 4: Simplify right side
    503,004.34x = 199,988,612,769.65
  5. Step 5: Solve for x
    x = 199,988,612,769.65/503,004.34
  6. Step 6: Final answer
    x = 397,588.25

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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.