Home / 871,319.60-1,305,229.80-496,905.20

Finding the Fourth Proportional to 871,319.60, 1,305,229.80 and 496,905.20

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Solution

The fourth proportional to 871,319.60, 1,305,229.80 and 496,905.20 is: 744,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,319.60 : 1,305,229.80 = 496,905.20 : x
  2. Step 2: Convert to fraction form
    871,319.60/1,305,229.80 = 496,905.20/x
  3. Step 3: Cross multiply
    871,319.60x = 1,305,229.80 × 496,905.20
  4. Step 4: Simplify right side
    871,319.60x = 648,575,474,814.96
  5. Step 5: Solve for x
    x = 648,575,474,814.96/871,319.60
  6. Step 6: Final answer
    x = 744,360.02

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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.