Home / 503,350.20-694,653.24-288,504.18

Finding the Fourth Proportional to 503,350.20, 694,653.24 and 288,504.18

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Solution

The fourth proportional to 503,350.20, 694,653.24 and 288,504.18 is: 398,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,350.20 : 694,653.24 = 288,504.18 : x
  2. Step 2: Convert to fraction form
    503,350.20/694,653.24 = 288,504.18/x
  3. Step 3: Cross multiply
    503,350.20x = 694,653.24 × 288,504.18
  4. Step 4: Simplify right side
    503,350.20x = 200,410,363,390.54
  5. Step 5: Solve for x
    x = 200,410,363,390.54/503,350.20
  6. Step 6: Final answer
    x = 398,152.94

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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.