Home / 668,890.70-1,004,974.45-503,002.70

Finding the Fourth Proportional to 668,890.70, 1,004,974.45 and 503,002.70

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Solution

The fourth proportional to 668,890.70, 1,004,974.45 and 503,002.70 is: 755,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,890.70 : 1,004,974.45 = 503,002.70 : x
  2. Step 2: Convert to fraction form
    668,890.70/1,004,974.45 = 503,002.70/x
  3. Step 3: Cross multiply
    668,890.70x = 1,004,974.45 × 503,002.70
  4. Step 4: Simplify right side
    668,890.70x = 505,504,861,781.02
  5. Step 5: Solve for x
    x = 505,504,861,781.02/668,890.70
  6. Step 6: Final answer
    x = 755,736.12

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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.