Home / 734,720.64-1,101,028.48-418,524.64

Finding the Fourth Proportional to 734,720.64, 1,101,028.48 and 418,524.64

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Solution

The fourth proportional to 734,720.64, 1,101,028.48 and 418,524.64 is: 627,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,720.64 : 1,101,028.48 = 418,524.64 : x
  2. Step 2: Convert to fraction form
    734,720.64/1,101,028.48 = 418,524.64/x
  3. Step 3: Cross multiply
    734,720.64x = 1,101,028.48 × 418,524.64
  4. Step 4: Simplify right side
    734,720.64x = 460,807,548,221.75
  5. Step 5: Solve for x
    x = 460,807,548,221.75/734,720.64
  6. Step 6: Final answer
    x = 627,187.43

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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.