Home / 788,389.79-1,181,608.97-560,321.91

Finding the Fourth Proportional to 788,389.79, 1,181,608.97 and 560,321.91

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Solution

The fourth proportional to 788,389.79, 1,181,608.97 and 560,321.91 is: 839,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,389.79 : 1,181,608.97 = 560,321.91 : x
  2. Step 2: Convert to fraction form
    788,389.79/1,181,608.97 = 560,321.91/x
  3. Step 3: Cross multiply
    788,389.79x = 1,181,608.97 × 560,321.91
  4. Step 4: Simplify right side
    788,389.79x = 662,081,392,141.92
  5. Step 5: Solve for x
    x = 662,081,392,141.92/788,389.79
  6. Step 6: Final answer
    x = 839,789.41

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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.