Home / 767,256.84-1,150,082.64-261,640.80

Finding the Fourth Proportional to 767,256.84, 1,150,082.64 and 261,640.80

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Solution

The fourth proportional to 767,256.84, 1,150,082.64 and 261,640.80 is: 392,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,256.84 : 1,150,082.64 = 261,640.80 : x
  2. Step 2: Convert to fraction form
    767,256.84/1,150,082.64 = 261,640.80/x
  3. Step 3: Cross multiply
    767,256.84x = 1,150,082.64 × 261,640.80
  4. Step 4: Simplify right side
    767,256.84x = 300,908,541,995.71
  5. Step 5: Solve for x
    x = 300,908,541,995.71/767,256.84
  6. Step 6: Final answer
    x = 392,187.50

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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.