Home / 723,692.20-998,654.52-401,379.16

Finding the Fourth Proportional to 723,692.20, 998,654.52 and 401,379.16

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Solution

The fourth proportional to 723,692.20, 998,654.52 and 401,379.16 is: 553,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,692.20 : 998,654.52 = 401,379.16 : x
  2. Step 2: Convert to fraction form
    723,692.20/998,654.52 = 401,379.16/x
  3. Step 3: Cross multiply
    723,692.20x = 998,654.52 × 401,379.16
  4. Step 4: Simplify right side
    723,692.20x = 400,839,112,367.80
  5. Step 5: Solve for x
    x = 400,839,112,367.80/723,692.20
  6. Step 6: Final answer
    x = 553,880.66

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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.