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Finding the Fourth Proportional to 401,040.55, 601,810.50 and 363,668.36

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Solution

The fourth proportional to 401,040.55, 601,810.50 and 363,668.36 is: 545,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,040.55 : 601,810.50 = 363,668.36 : x
  2. Step 2: Convert to fraction form
    401,040.55/601,810.50 = 363,668.36/x
  3. Step 3: Cross multiply
    401,040.55x = 601,810.50 × 363,668.36
  4. Step 4: Simplify right side
    401,040.55x = 218,859,437,565.78
  5. Step 5: Solve for x
    x = 218,859,437,565.78/401,040.55
  6. Step 6: Final answer
    x = 545,728.96

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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.