Home / 789,510.84-1,183,986.80-256,932.60

Finding the Fourth Proportional to 789,510.84, 1,183,986.80 and 256,932.60

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Solution

The fourth proportional to 789,510.84, 1,183,986.80 and 256,932.60 is: 385,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,510.84 : 1,183,986.80 = 256,932.60 : x
  2. Step 2: Convert to fraction form
    789,510.84/1,183,986.80 = 256,932.60/x
  3. Step 3: Cross multiply
    789,510.84x = 1,183,986.80 × 256,932.60
  4. Step 4: Simplify right side
    789,510.84x = 304,204,806,889.68
  5. Step 5: Solve for x
    x = 304,204,806,889.68/789,510.84
  6. Step 6: Final answer
    x = 385,307.95

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1.5x scale

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.