Home / 696,741.27-961,148.49-455,165.25

Finding the Fourth Proportional to 696,741.27, 961,148.49 and 455,165.25

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Solution

The fourth proportional to 696,741.27, 961,148.49 and 455,165.25 is: 627,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,741.27 : 961,148.49 = 455,165.25 : x
  2. Step 2: Convert to fraction form
    696,741.27/961,148.49 = 455,165.25/x
  3. Step 3: Cross multiply
    696,741.27x = 961,148.49 × 455,165.25
  4. Step 4: Simplify right side
    696,741.27x = 437,481,392,737.97
  5. Step 5: Solve for x
    x = 437,481,392,737.97/696,741.27
  6. Step 6: Final answer
    x = 627,896.48

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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.