Home / 786,846.80-1,180,561.80-254,385.20

Finding the Fourth Proportional to 786,846.80, 1,180,561.80 and 254,385.20

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Solution

The fourth proportional to 786,846.80, 1,180,561.80 and 254,385.20 is: 381,672.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,846.80 : 1,180,561.80 = 254,385.20 : x
  2. Step 2: Convert to fraction form
    786,846.80/1,180,561.80 = 254,385.20/x
  3. Step 3: Cross multiply
    786,846.80x = 1,180,561.80 × 254,385.20
  4. Step 4: Simplify right side
    786,846.80x = 300,317,449,605.36
  5. Step 5: Solve for x
    x = 300,317,449,605.36/786,846.80
  6. Step 6: Final answer
    x = 381,672.07

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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.