Home / 782,786.77-1,173,810.07-303,239.18

Finding the Fourth Proportional to 782,786.77, 1,173,810.07 and 303,239.18

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Solution

The fourth proportional to 782,786.77, 1,173,810.07 and 303,239.18 is: 454,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,786.77 : 1,173,810.07 = 303,239.18 : x
  2. Step 2: Convert to fraction form
    782,786.77/1,173,810.07 = 303,239.18/x
  3. Step 3: Cross multiply
    782,786.77x = 1,173,810.07 × 303,239.18
  4. Step 4: Simplify right side
    782,786.77x = 355,945,203,102.54
  5. Step 5: Solve for x
    x = 355,945,203,102.54/782,786.77
  6. Step 6: Final answer
    x = 454,715.40

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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.