Home / 700,371.38-1,048,873.61-399,942.38

Finding the Fourth Proportional to 700,371.38, 1,048,873.61 and 399,942.38

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Solution

The fourth proportional to 700,371.38, 1,048,873.61 and 399,942.38 is: 598,952.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,371.38 : 1,048,873.61 = 399,942.38 : x
  2. Step 2: Convert to fraction form
    700,371.38/1,048,873.61 = 399,942.38/x
  3. Step 3: Cross multiply
    700,371.38x = 1,048,873.61 × 399,942.38
  4. Step 4: Simplify right side
    700,371.38x = 419,489,000,658.51
  5. Step 5: Solve for x
    x = 419,489,000,658.51/700,371.38
  6. Step 6: Final answer
    x = 598,952.24

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1.5x scale

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.