Home / 637,101.11-879,372.25-375,684.73

Finding the Fourth Proportional to 637,101.11, 879,372.25 and 375,684.73

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Solution

The fourth proportional to 637,101.11, 879,372.25 and 375,684.73 is: 518,546.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,101.11 : 879,372.25 = 375,684.73 : x
  2. Step 2: Convert to fraction form
    637,101.11/879,372.25 = 375,684.73/x
  3. Step 3: Cross multiply
    637,101.11x = 879,372.25 × 375,684.73
  4. Step 4: Simplify right side
    637,101.11x = 330,366,723,173.10
  5. Step 5: Solve for x
    x = 330,366,723,173.10/637,101.11
  6. Step 6: Final answer
    x = 518,546.77

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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.