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Finding the Fourth Proportional to 504,000.20, 756,000.30 and 304,934.60

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Solution

The fourth proportional to 504,000.20, 756,000.30 and 304,934.60 is: 457,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,000.20 : 756,000.30 = 304,934.60 : x
  2. Step 2: Convert to fraction form
    504,000.20/756,000.30 = 304,934.60/x
  3. Step 3: Cross multiply
    504,000.20x = 756,000.30 × 304,934.60
  4. Step 4: Simplify right side
    504,000.20x = 230,530,649,080.38
  5. Step 5: Solve for x
    x = 230,530,649,080.38/504,000.20
  6. Step 6: Final answer
    x = 457,401.90

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Similar ratio
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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.