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Finding the Fourth Proportional to 671,375.39, 926,518.93 and 365,472.14

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Solution

The fourth proportional to 671,375.39, 926,518.93 and 365,472.14 is: 504,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,375.39 : 926,518.93 = 365,472.14 : x
  2. Step 2: Convert to fraction form
    671,375.39/926,518.93 = 365,472.14/x
  3. Step 3: Cross multiply
    671,375.39x = 926,518.93 × 365,472.14
  4. Step 4: Simplify right side
    671,375.39x = 338,616,857,500.23
  5. Step 5: Solve for x
    x = 338,616,857,500.23/671,375.39
  6. Step 6: Final answer
    x = 504,362.93

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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.