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Finding the Fourth Proportional to 503,107.80, 754,698.15 and 302,997.30

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Solution

The fourth proportional to 503,107.80, 754,698.15 and 302,997.30 is: 454,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,107.80 : 754,698.15 = 302,997.30 : x
  2. Step 2: Convert to fraction form
    503,107.80/754,698.15 = 302,997.30/x
  3. Step 3: Cross multiply
    503,107.80x = 754,698.15 × 302,997.30
  4. Step 4: Simplify right side
    503,107.80x = 228,671,501,765.00
  5. Step 5: Solve for x
    x = 228,671,501,765.00/503,107.80
  6. Step 6: Final answer
    x = 454,517.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.