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Finding the Fourth Proportional to 637,755.40, 956,750.82 and 263,807.56

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Solution

The fourth proportional to 637,755.40, 956,750.82 and 263,807.56 is: 395,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,755.40 : 956,750.82 = 263,807.56 : x
  2. Step 2: Convert to fraction form
    637,755.40/956,750.82 = 263,807.56/x
  3. Step 3: Cross multiply
    637,755.40x = 956,750.82 × 263,807.56
  4. Step 4: Simplify right side
    637,755.40x = 252,398,099,352.20
  5. Step 5: Solve for x
    x = 252,398,099,352.20/637,755.40
  6. Step 6: Final answer
    x = 395,760.03

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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.