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Finding the Fourth Proportional to 637,331.36, 954,620.90 and 299,866.33

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Solution

The fourth proportional to 637,331.36, 954,620.90 and 299,866.33 is: 449,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,331.36 : 954,620.90 = 299,866.33 : x
  2. Step 2: Convert to fraction form
    637,331.36/954,620.90 = 299,866.33/x
  3. Step 3: Cross multiply
    637,331.36x = 954,620.90 × 299,866.33
  4. Step 4: Simplify right side
    637,331.36x = 286,258,665,824.30
  5. Step 5: Solve for x
    x = 286,258,665,824.30/637,331.36
  6. Step 6: Final answer
    x = 449,152.02

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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.