Home / 740,250.40-1,021,544.40-400,718.56

Finding the Fourth Proportional to 740,250.40, 1,021,544.40 and 400,718.56

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Solution

The fourth proportional to 740,250.40, 1,021,544.40 and 400,718.56 is: 552,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,250.40 : 1,021,544.40 = 400,718.56 : x
  2. Step 2: Convert to fraction form
    740,250.40/1,021,544.40 = 400,718.56/x
  3. Step 3: Cross multiply
    740,250.40x = 1,021,544.40 × 400,718.56
  4. Step 4: Simplify right side
    740,250.40x = 409,351,800,944.06
  5. Step 5: Solve for x
    x = 409,351,800,944.06/740,250.40
  6. Step 6: Final answer
    x = 552,990.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.