Home / 564,865.44-779,749.92-403,785.60

Finding the Fourth Proportional to 564,865.44, 779,749.92 and 403,785.60

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Solution

The fourth proportional to 564,865.44, 779,749.92 and 403,785.60 is: 557,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,865.44 : 779,749.92 = 403,785.60 : x
  2. Step 2: Convert to fraction form
    564,865.44/779,749.92 = 403,785.60/x
  3. Step 3: Cross multiply
    564,865.44x = 779,749.92 × 403,785.60
  4. Step 4: Simplify right side
    564,865.44x = 314,851,789,297.15
  5. Step 5: Solve for x
    x = 314,851,789,297.15/564,865.44
  6. Step 6: Final answer
    x = 557,392.55

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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.