Home / 755,340.10-1,133,010.15-256,704.10

Finding the Fourth Proportional to 755,340.10, 1,133,010.15 and 256,704.10

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Solution

The fourth proportional to 755,340.10, 1,133,010.15 and 256,704.10 is: 385,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,340.10 : 1,133,010.15 = 256,704.10 : x
  2. Step 2: Convert to fraction form
    755,340.10/1,133,010.15 = 256,704.10/x
  3. Step 3: Cross multiply
    755,340.10x = 1,133,010.15 × 256,704.10
  4. Step 4: Simplify right side
    755,340.10x = 290,848,350,846.62
  5. Step 5: Solve for x
    x = 290,848,350,846.62/755,340.10
  6. Step 6: Final answer
    x = 385,056.15

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Double scale
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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.