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Finding the Fourth Proportional to 620,494.48, 930,942.36 and 304,729.96

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Solution

The fourth proportional to 620,494.48, 930,942.36 and 304,729.96 is: 457,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,494.48 : 930,942.36 = 304,729.96 : x
  2. Step 2: Convert to fraction form
    620,494.48/930,942.36 = 304,729.96/x
  3. Step 3: Cross multiply
    620,494.48x = 930,942.36 × 304,729.96
  4. Step 4: Simplify right side
    620,494.48x = 283,686,028,125.11
  5. Step 5: Solve for x
    x = 283,686,028,125.11/620,494.48
  6. Step 6: Final answer
    x = 457,193.48

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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.