Home / 725,453.55-1,086,899.00-440,562.78

Finding the Fourth Proportional to 725,453.55, 1,086,899.00 and 440,562.78

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Solution

The fourth proportional to 725,453.55, 1,086,899.00 and 440,562.78 is: 660,066.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,453.55 : 1,086,899.00 = 440,562.78 : x
  2. Step 2: Convert to fraction form
    725,453.55/1,086,899.00 = 440,562.78/x
  3. Step 3: Cross multiply
    725,453.55x = 1,086,899.00 × 440,562.78
  4. Step 4: Simplify right side
    725,453.55x = 478,847,242,816.41
  5. Step 5: Solve for x
    x = 478,847,242,816.41/725,453.55
  6. Step 6: Final answer
    x = 660,066.03

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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.