Home / 657,989.28-907,975.44-371,469.60

Finding the Fourth Proportional to 657,989.28, 907,975.44 and 371,469.60

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Solution

The fourth proportional to 657,989.28, 907,975.44 and 371,469.60 is: 512,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,989.28 : 907,975.44 = 371,469.60 : x
  2. Step 2: Convert to fraction form
    657,989.28/907,975.44 = 371,469.60/x
  3. Step 3: Cross multiply
    657,989.28x = 907,975.44 × 371,469.60
  4. Step 4: Simplify right side
    657,989.28x = 337,285,273,506.62
  5. Step 5: Solve for x
    x = 337,285,273,506.62/657,989.28
  6. Step 6: Final answer
    x = 512,599.95

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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.