Home / 945,428.56-1,418,229.41-376,671.87

Finding the Fourth Proportional to 945,428.56, 1,418,229.41 and 376,671.87

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Solution

The fourth proportional to 945,428.56, 1,418,229.41 and 376,671.87 is: 565,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,428.56 : 1,418,229.41 = 376,671.87 : x
  2. Step 2: Convert to fraction form
    945,428.56/1,418,229.41 = 376,671.87/x
  3. Step 3: Cross multiply
    945,428.56x = 1,418,229.41 × 376,671.87
  4. Step 4: Simplify right side
    945,428.56x = 534,207,122,070.34
  5. Step 5: Solve for x
    x = 534,207,122,070.34/945,428.56
  6. Step 6: Final answer
    x = 565,042.30

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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.