Home / 503,333.30-694,629.90-288,487.18

Finding the Fourth Proportional to 503,333.30, 694,629.90 and 288,487.18

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Solution

The fourth proportional to 503,333.30, 694,629.90 and 288,487.18 is: 398,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,333.30 : 694,629.90 = 288,487.18 : x
  2. Step 2: Convert to fraction form
    503,333.30/694,629.90 = 288,487.18/x
  3. Step 3: Cross multiply
    503,333.30x = 694,629.90 × 288,487.18
  4. Step 4: Simplify right side
    503,333.30x = 200,391,820,994.68
  5. Step 5: Solve for x
    x = 200,391,820,994.68/503,333.30
  6. Step 6: Final answer
    x = 398,129.47

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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.