Home / 871,318.60-1,305,228.30-496,904.20

Finding the Fourth Proportional to 871,318.60, 1,305,228.30 and 496,904.20

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Solution

The fourth proportional to 871,318.60, 1,305,228.30 and 496,904.20 is: 744,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,318.60 : 1,305,228.30 = 496,904.20 : x
  2. Step 2: Convert to fraction form
    871,318.60/1,305,228.30 = 496,904.20/x
  3. Step 3: Cross multiply
    871,318.60x = 1,305,228.30 × 496,904.20
  4. Step 4: Simplify right side
    871,318.60x = 648,573,424,228.86
  5. Step 5: Solve for x
    x = 648,573,424,228.86/871,318.60
  6. Step 6: Final answer
    x = 744,358.52

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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.