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Finding the Fourth Proportional to 504,840.76, 757,401.25 and 280,358.83

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Solution

The fourth proportional to 504,840.76, 757,401.25 and 280,358.83 is: 420,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,840.76 : 757,401.25 = 280,358.83 : x
  2. Step 2: Convert to fraction form
    504,840.76/757,401.25 = 280,358.83/x
  3. Step 3: Cross multiply
    504,840.76x = 757,401.25 × 280,358.83
  4. Step 4: Simplify right side
    504,840.76x = 212,344,132,249.44
  5. Step 5: Solve for x
    x = 212,344,132,249.44/504,840.76
  6. Step 6: Final answer
    x = 420,616.06

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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.