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Finding the Fourth Proportional to 504,023.30, 756,034.95 and 378,052.10

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Solution

The fourth proportional to 504,023.30, 756,034.95 and 378,052.10 is: 567,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,023.30 : 756,034.95 = 378,052.10 : x
  2. Step 2: Convert to fraction form
    504,023.30/756,034.95 = 378,052.10/x
  3. Step 3: Cross multiply
    504,023.30x = 756,034.95 × 378,052.10
  4. Step 4: Simplify right side
    504,023.30x = 285,820,600,520.90
  5. Step 5: Solve for x
    x = 285,820,600,520.90/504,023.30
  6. Step 6: Final answer
    x = 567,078.15

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Double scale
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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.