Home / 903,846.78-1,247,419.26-521,872.74

Finding the Fourth Proportional to 903,846.78, 1,247,419.26 and 521,872.74

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Solution

The fourth proportional to 903,846.78, 1,247,419.26 and 521,872.74 is: 720,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,846.78 : 1,247,419.26 = 521,872.74 : x
  2. Step 2: Convert to fraction form
    903,846.78/1,247,419.26 = 521,872.74/x
  3. Step 3: Cross multiply
    903,846.78x = 1,247,419.26 × 521,872.74
  4. Step 4: Simplify right side
    903,846.78x = 650,994,107,144.97
  5. Step 5: Solve for x
    x = 650,994,107,144.97/903,846.78
  6. Step 6: Final answer
    x = 720,248.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.