Home / 747,603.35-1,121,405.03-449,004.95

Finding the Fourth Proportional to 747,603.35, 1,121,405.03 and 449,004.95

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Solution

The fourth proportional to 747,603.35, 1,121,405.03 and 449,004.95 is: 673,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,603.35 : 1,121,405.03 = 449,004.95 : x
  2. Step 2: Convert to fraction form
    747,603.35/1,121,405.03 = 449,004.95/x
  3. Step 3: Cross multiply
    747,603.35x = 1,121,405.03 × 449,004.95
  4. Step 4: Simplify right side
    747,603.35x = 503,516,407,179.87
  5. Step 5: Solve for x
    x = 503,516,407,179.87/747,603.35
  6. Step 6: Final answer
    x = 673,507.43

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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.