Home / 871,321.10-1,305,232.05-496,906.70

Finding the Fourth Proportional to 871,321.10, 1,305,232.05 and 496,906.70

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Solution

The fourth proportional to 871,321.10, 1,305,232.05 and 496,906.70 is: 744,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,321.10 : 1,305,232.05 = 496,906.70 : x
  2. Step 2: Convert to fraction form
    871,321.10/1,305,232.05 = 496,906.70/x
  3. Step 3: Cross multiply
    871,321.10x = 1,305,232.05 × 496,906.70
  4. Step 4: Simplify right side
    871,321.10x = 648,578,550,699.74
  5. Step 5: Solve for x
    x = 648,578,550,699.74/871,321.10
  6. Step 6: Final answer
    x = 744,362.27

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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.