Home / 938,715.34-1,408,772.53-377,754.06

Finding the Fourth Proportional to 938,715.34, 1,408,772.53 and 377,754.06

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Solution

The fourth proportional to 938,715.34, 1,408,772.53 and 377,754.06 is: 566,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,715.34 : 1,408,772.53 = 377,754.06 : x
  2. Step 2: Convert to fraction form
    938,715.34/1,408,772.53 = 377,754.06/x
  3. Step 3: Cross multiply
    938,715.34x = 1,408,772.53 × 377,754.06
  4. Step 4: Simplify right side
    938,715.34x = 532,169,542,823.97
  5. Step 5: Solve for x
    x = 532,169,542,823.97/938,715.34
  6. Step 6: Final answer
    x = 566,912.59

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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.