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Finding the Fourth Proportional to 400,692.96, 601,058.88 and 330,444

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Solution

The fourth proportional to 400,692.96, 601,058.88 and 330,444 is: 495,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,692.96 : 601,058.88 = 330,444 : x
  2. Step 2: Convert to fraction form
    400,692.96/601,058.88 = 330,444/x
  3. Step 3: Cross multiply
    400,692.96x = 601,058.88 × 330,444
  4. Step 4: Simplify right side
    400,692.96x = 198,616,300,542.72
  5. Step 5: Solve for x
    x = 198,616,300,542.72/400,692.96
  6. Step 6: Final answer
    x = 495,682.03

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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.