Home / 787,007.88-1,180,511.82-218,389.16

Finding the Fourth Proportional to 787,007.88, 1,180,511.82 and 218,389.16

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Solution

The fourth proportional to 787,007.88, 1,180,511.82 and 218,389.16 is: 327,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,007.88 : 1,180,511.82 = 218,389.16 : x
  2. Step 2: Convert to fraction form
    787,007.88/1,180,511.82 = 218,389.16/x
  3. Step 3: Cross multiply
    787,007.88x = 1,180,511.82 × 218,389.16
  4. Step 4: Simplify right side
    787,007.88x = 257,810,984,739.87
  5. Step 5: Solve for x
    x = 257,810,984,739.87/787,007.88
  6. Step 6: Final answer
    x = 327,583.74

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Similar ratio
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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.