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Finding the Fourth Proportional to 503,250.34, 694,504.67 and 288,431.96

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Solution

The fourth proportional to 503,250.34, 694,504.67 and 288,431.96 is: 398,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,250.34 : 694,504.67 = 288,431.96 : x
  2. Step 2: Convert to fraction form
    503,250.34/694,504.67 = 288,431.96/x
  3. Step 3: Cross multiply
    503,250.34x = 694,504.67 × 288,431.96
  4. Step 4: Simplify right side
    503,250.34x = 200,317,343,197.25
  5. Step 5: Solve for x
    x = 200,317,343,197.25/503,250.34
  6. Step 6: Final answer
    x = 398,047.11

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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.