Home / 699,167.24-964,924.90-427,394.22

Finding the Fourth Proportional to 699,167.24, 964,924.90 and 427,394.22

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Solution

The fourth proportional to 699,167.24, 964,924.90 and 427,394.22 is: 589,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,167.24 : 964,924.90 = 427,394.22 : x
  2. Step 2: Convert to fraction form
    699,167.24/964,924.90 = 427,394.22/x
  3. Step 3: Cross multiply
    699,167.24x = 964,924.90 × 427,394.22
  4. Step 4: Simplify right side
    699,167.24x = 412,403,328,138.92
  5. Step 5: Solve for x
    x = 412,403,328,138.92/699,167.24
  6. Step 6: Final answer
    x = 589,849.33

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1.5x scale

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.