Home / 788,694.30-1,183,333.05-256,232.70

Finding the Fourth Proportional to 788,694.30, 1,183,333.05 and 256,232.70

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Solution

The fourth proportional to 788,694.30, 1,183,333.05 and 256,232.70 is: 384,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,694.30 : 1,183,333.05 = 256,232.70 : x
  2. Step 2: Convert to fraction form
    788,694.30/1,183,333.05 = 256,232.70/x
  3. Step 3: Cross multiply
    788,694.30x = 1,183,333.05 × 256,232.70
  4. Step 4: Simplify right side
    788,694.30x = 303,208,622,400.74
  5. Step 5: Solve for x
    x = 303,208,622,400.74/788,694.30
  6. Step 6: Final answer
    x = 384,443.79

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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.