Home / 503,330.30-694,625.75-288,484.18

Finding the Fourth Proportional to 503,330.30, 694,625.75 and 288,484.18

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Solution

The fourth proportional to 503,330.30, 694,625.75 and 288,484.18 is: 398,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,330.30 : 694,625.75 = 288,484.18 : x
  2. Step 2: Convert to fraction form
    503,330.30/694,625.75 = 288,484.18/x
  3. Step 3: Cross multiply
    503,330.30x = 694,625.75 × 288,484.18
  4. Step 4: Simplify right side
    503,330.30x = 200,388,542,517.09
  5. Step 5: Solve for x
    x = 200,388,542,517.09/503,330.30
  6. Step 6: Final answer
    x = 398,125.33

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1.5x scale

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.