Home / 762,286.89-1,141,905.82-458,513.31

Finding the Fourth Proportional to 762,286.89, 1,141,905.82 and 458,513.31

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Solution

The fourth proportional to 762,286.89, 1,141,905.82 and 458,513.31 is: 686,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,286.89 : 1,141,905.82 = 458,513.31 : x
  2. Step 2: Convert to fraction form
    762,286.89/1,141,905.82 = 458,513.31/x
  3. Step 3: Cross multiply
    762,286.89x = 1,141,905.82 × 458,513.31
  4. Step 4: Simplify right side
    762,286.89x = 523,579,014,943.90
  5. Step 5: Solve for x
    x = 523,579,014,943.90/762,286.89
  6. Step 6: Final answer
    x = 686,852.97

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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.