Home / 766,580.41-1,150,126.44-340,057.54

Finding the Fourth Proportional to 766,580.41, 1,150,126.44 and 340,057.54

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Solution

The fourth proportional to 766,580.41, 1,150,126.44 and 340,057.54 is: 510,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,580.41 : 1,150,126.44 = 340,057.54 : x
  2. Step 2: Convert to fraction form
    766,580.41/1,150,126.44 = 340,057.54/x
  3. Step 3: Cross multiply
    766,580.41x = 1,150,126.44 × 340,057.54
  4. Step 4: Simplify right side
    766,580.41x = 391,109,169,950.62
  5. Step 5: Solve for x
    x = 391,109,169,950.62/766,580.41
  6. Step 6: Final answer
    x = 510,199.80

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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.