Home / 740,932.38-1,022,494.59-401,412.78

Finding the Fourth Proportional to 740,932.38, 1,022,494.59 and 401,412.78

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Solution

The fourth proportional to 740,932.38, 1,022,494.59 and 401,412.78 is: 553,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,932.38 : 1,022,494.59 = 401,412.78 : x
  2. Step 2: Convert to fraction form
    740,932.38/1,022,494.59 = 401,412.78/x
  3. Step 3: Cross multiply
    740,932.38x = 1,022,494.59 × 401,412.78
  4. Step 4: Simplify right side
    740,932.38x = 410,442,395,906.86
  5. Step 5: Solve for x
    x = 410,442,395,906.86/740,932.38
  6. Step 6: Final answer
    x = 553,953.92

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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.