Home / 782,784.15-1,173,806.10-303,236.57

Finding the Fourth Proportional to 782,784.15, 1,173,806.10 and 303,236.57

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Solution

The fourth proportional to 782,784.15, 1,173,806.10 and 303,236.57 is: 454,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,784.15 : 1,173,806.10 = 303,236.57 : x
  2. Step 2: Convert to fraction form
    782,784.15/1,173,806.10 = 303,236.57/x
  3. Step 3: Cross multiply
    782,784.15x = 1,173,806.10 × 303,236.57
  4. Step 4: Simplify right side
    782,784.15x = 355,940,929,740.05
  5. Step 5: Solve for x
    x = 355,940,929,740.05/782,784.15
  6. Step 6: Final answer
    x = 454,711.47

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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.