Home / 766,848.60-1,149,408.90-367,680.60

Finding the Fourth Proportional to 766,848.60, 1,149,408.90 and 367,680.60

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Solution

The fourth proportional to 766,848.60, 1,149,408.90 and 367,680.60 is: 551,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,848.60 : 1,149,408.90 = 367,680.60 : x
  2. Step 2: Convert to fraction form
    766,848.60/1,149,408.90 = 367,680.60/x
  3. Step 3: Cross multiply
    766,848.60x = 1,149,408.90 × 367,680.60
  4. Step 4: Simplify right side
    766,848.60x = 422,615,353,997.34
  5. Step 5: Solve for x
    x = 422,615,353,997.34/766,848.60
  6. Step 6: Final answer
    x = 551,106.64

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1.5x scale

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.