Home / 668,471.90-1,002,837.45-336,047.90

Finding the Fourth Proportional to 668,471.90, 1,002,837.45 and 336,047.90

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Solution

The fourth proportional to 668,471.90, 1,002,837.45 and 336,047.90 is: 504,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,471.90 : 1,002,837.45 = 336,047.90 : x
  2. Step 2: Convert to fraction form
    668,471.90/1,002,837.45 = 336,047.90/x
  3. Step 3: Cross multiply
    668,471.90x = 1,002,837.45 × 336,047.90
  4. Step 4: Simplify right side
    668,471.90x = 337,001,419,113.86
  5. Step 5: Solve for x
    x = 337,001,419,113.86/668,471.90
  6. Step 6: Final answer
    x = 504,137.00

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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.