Home / 791,136.22-1,091,499.42-446,921.86

Finding the Fourth Proportional to 791,136.22, 1,091,499.42 and 446,921.86

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Solution

The fourth proportional to 791,136.22, 1,091,499.42 and 446,921.86 is: 616,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,136.22 : 1,091,499.42 = 446,921.86 : x
  2. Step 2: Convert to fraction form
    791,136.22/1,091,499.42 = 446,921.86/x
  3. Step 3: Cross multiply
    791,136.22x = 1,091,499.42 × 446,921.86
  4. Step 4: Simplify right side
    791,136.22x = 487,814,950,975.32
  5. Step 5: Solve for x
    x = 487,814,950,975.32/791,136.22
  6. Step 6: Final answer
    x = 616,600.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.