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Finding the Fourth Proportional to 401,587.52, 601,197.60 and 351,764.96

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Solution

The fourth proportional to 401,587.52, 601,197.60 and 351,764.96 is: 526,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,587.52 : 601,197.60 = 351,764.96 : x
  2. Step 2: Convert to fraction form
    401,587.52/601,197.60 = 351,764.96/x
  3. Step 3: Cross multiply
    401,587.52x = 601,197.60 × 351,764.96
  4. Step 4: Simplify right side
    401,587.52x = 211,480,249,716.10
  5. Step 5: Solve for x
    x = 211,480,249,716.10/401,587.52
  6. Step 6: Final answer
    x = 526,610.61

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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.