Home / 768,046.68-1,151,968.86-228,291.44

Finding the Fourth Proportional to 768,046.68, 1,151,968.86 and 228,291.44

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Solution

The fourth proportional to 768,046.68, 1,151,968.86 and 228,291.44 is: 342,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,046.68 : 1,151,968.86 = 228,291.44 : x
  2. Step 2: Convert to fraction form
    768,046.68/1,151,968.86 = 228,291.44/x
  3. Step 3: Cross multiply
    768,046.68x = 1,151,968.86 × 228,291.44
  4. Step 4: Simplify right side
    768,046.68x = 262,984,624,124.71
  5. Step 5: Solve for x
    x = 262,984,624,124.71/768,046.68
  6. Step 6: Final answer
    x = 342,407.08

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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.