Home / 766,748.80-1,150,468.80-367,235.20

Finding the Fourth Proportional to 766,748.80, 1,150,468.80 and 367,235.20

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Solution

The fourth proportional to 766,748.80, 1,150,468.80 and 367,235.20 is: 551,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,748.80 : 1,150,468.80 = 367,235.20 : x
  2. Step 2: Convert to fraction form
    766,748.80/1,150,468.80 = 367,235.20/x
  3. Step 3: Cross multiply
    766,748.80x = 1,150,468.80 × 367,235.20
  4. Step 4: Simplify right side
    766,748.80x = 422,492,639,861.76
  5. Step 5: Solve for x
    x = 422,492,639,861.76/766,748.80
  6. Step 6: Final answer
    x = 551,018.33

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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.