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Finding the Fourth Proportional to 520,633.28, 780,267.36 and 296,096.96

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Solution

The fourth proportional to 520,633.28, 780,267.36 and 296,096.96 is: 443,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,633.28 : 780,267.36 = 296,096.96 : x
  2. Step 2: Convert to fraction form
    520,633.28/780,267.36 = 296,096.96/x
  3. Step 3: Cross multiply
    520,633.28x = 780,267.36 × 296,096.96
  4. Step 4: Simplify right side
    520,633.28x = 231,034,793,283.23
  5. Step 5: Solve for x
    x = 231,034,793,283.23/520,633.28
  6. Step 6: Final answer
    x = 443,757.25

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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.