Home / 767,811.20-1,151,716.80-463,380.80

Finding the Fourth Proportional to 767,811.20, 1,151,716.80 and 463,380.80

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Solution

The fourth proportional to 767,811.20, 1,151,716.80 and 463,380.80 is: 695,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,811.20 : 1,151,716.80 = 463,380.80 : x
  2. Step 2: Convert to fraction form
    767,811.20/1,151,716.80 = 463,380.80/x
  3. Step 3: Cross multiply
    767,811.20x = 1,151,716.80 × 463,380.80
  4. Step 4: Simplify right side
    767,811.20x = 533,683,452,157.44
  5. Step 5: Solve for x
    x = 533,683,452,157.44/767,811.20
  6. Step 6: Final answer
    x = 695,071.20

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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.