Home / 674,015.40-1,010,303.80-336,391.20

Finding the Fourth Proportional to 674,015.40, 1,010,303.80 and 336,391.20

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Solution

The fourth proportional to 674,015.40, 1,010,303.80 and 336,391.20 is: 504,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,015.40 : 1,010,303.80 = 336,391.20 : x
  2. Step 2: Convert to fraction form
    674,015.40/1,010,303.80 = 336,391.20/x
  3. Step 3: Cross multiply
    674,015.40x = 1,010,303.80 × 336,391.20
  4. Step 4: Simplify right side
    674,015.40x = 339,857,307,646.56
  5. Step 5: Solve for x
    x = 339,857,307,646.56/674,015.40
  6. Step 6: Final answer
    x = 504,227.81

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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.