Home / 871,294.60-1,305,192.30-496,880.20

Finding the Fourth Proportional to 871,294.60, 1,305,192.30 and 496,880.20

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Solution

The fourth proportional to 871,294.60, 1,305,192.30 and 496,880.20 is: 744,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,294.60 : 1,305,192.30 = 496,880.20 : x
  2. Step 2: Convert to fraction form
    871,294.60/1,305,192.30 = 496,880.20/x
  3. Step 3: Cross multiply
    871,294.60x = 1,305,192.30 × 496,880.20
  4. Step 4: Simplify right side
    871,294.60x = 648,524,211,062.46
  5. Step 5: Solve for x
    x = 648,524,211,062.46/871,294.60
  6. Step 6: Final answer
    x = 744,322.54

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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.