Home / 755,611.18-1,133,415.66-518,234.20

Finding the Fourth Proportional to 755,611.18, 1,133,415.66 and 518,234.20

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Solution

The fourth proportional to 755,611.18, 1,133,415.66 and 518,234.20 is: 777,350.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,611.18 : 1,133,415.66 = 518,234.20 : x
  2. Step 2: Convert to fraction form
    755,611.18/1,133,415.66 = 518,234.20/x
  3. Step 3: Cross multiply
    755,611.18x = 1,133,415.66 × 518,234.20
  4. Step 4: Simplify right side
    755,611.18x = 587,374,757,827.57
  5. Step 5: Solve for x
    x = 587,374,757,827.57/755,611.18
  6. Step 6: Final answer
    x = 777,350.54

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Double scale
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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.