Home / 740,882.82-1,022,418.40-401,351.07

Finding the Fourth Proportional to 740,882.82, 1,022,418.40 and 401,351.07

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Solution

The fourth proportional to 740,882.82, 1,022,418.40 and 401,351.07 is: 553,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,882.82 : 1,022,418.40 = 401,351.07 : x
  2. Step 2: Convert to fraction form
    740,882.82/1,022,418.40 = 401,351.07/x
  3. Step 3: Cross multiply
    740,882.82x = 1,022,418.40 × 401,351.07
  4. Step 4: Simplify right side
    740,882.82x = 410,348,718,827.69
  5. Step 5: Solve for x
    x = 410,348,718,827.69/740,882.82
  6. Step 6: Final answer
    x = 553,864.54

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Double scale
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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.