Home / 757,253.28-1,135,548.56-283,606.56

Finding the Fourth Proportional to 757,253.28, 1,135,548.56 and 283,606.56

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Solution

The fourth proportional to 757,253.28, 1,135,548.56 and 283,606.56 is: 425,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,253.28 : 1,135,548.56 = 283,606.56 : x
  2. Step 2: Convert to fraction form
    757,253.28/1,135,548.56 = 283,606.56/x
  3. Step 3: Cross multiply
    757,253.28x = 1,135,548.56 × 283,606.56
  4. Step 4: Simplify right side
    757,253.28x = 322,049,020,814.55
  5. Step 5: Solve for x
    x = 322,049,020,814.55/757,253.28
  6. Step 6: Final answer
    x = 425,285.74

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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.