Home / 1,005,745.80-1,508,297.94-331,701.47

Finding the Fourth Proportional to 1,005,745.80, 1,508,297.94 and 331,701.47

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Solution

The fourth proportional to 1,005,745.80, 1,508,297.94 and 331,701.47 is: 497,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,745.80 : 1,508,297.94 = 331,701.47 : x
  2. Step 2: Convert to fraction form
    1,005,745.80/1,508,297.94 = 331,701.47/x
  3. Step 3: Cross multiply
    1,005,745.80x = 1,508,297.94 × 331,701.47
  4. Step 4: Simplify right side
    1,005,745.80x = 500,304,636,354.48
  5. Step 5: Solve for x
    x = 500,304,636,354.48/1,005,745.80
  6. Step 6: Final answer
    x = 497,446.41

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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.