Home / 603,288.20-904,932.30-401,209.40

Finding the Fourth Proportional to 603,288.20, 904,932.30 and 401,209.40

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Solution

The fourth proportional to 603,288.20, 904,932.30 and 401,209.40 is: 601,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,288.20 : 904,932.30 = 401,209.40 : x
  2. Step 2: Convert to fraction form
    603,288.20/904,932.30 = 401,209.40/x
  3. Step 3: Cross multiply
    603,288.20x = 904,932.30 × 401,209.40
  4. Step 4: Simplify right side
    603,288.20x = 363,067,345,123.62
  5. Step 5: Solve for x
    x = 363,067,345,123.62/603,288.20
  6. Step 6: Final answer
    x = 601,814.10

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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.