Home / 937,940.28-1,294,803.90-628,375.89

Finding the Fourth Proportional to 937,940.28, 1,294,803.90 and 628,375.89

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Solution

The fourth proportional to 937,940.28, 1,294,803.90 and 628,375.89 is: 867,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,940.28 : 1,294,803.90 = 628,375.89 : x
  2. Step 2: Convert to fraction form
    937,940.28/1,294,803.90 = 628,375.89/x
  3. Step 3: Cross multiply
    937,940.28x = 1,294,803.90 × 628,375.89
  4. Step 4: Simplify right side
    937,940.28x = 813,623,553,037.97
  5. Step 5: Solve for x
    x = 813,623,553,037.97/937,940.28
  6. Step 6: Final answer
    x = 867,457.74

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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.