Home / 759,850.74-1,139,777.44-310,571.21

Finding the Fourth Proportional to 759,850.74, 1,139,777.44 and 310,571.21

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Solution

The fourth proportional to 759,850.74, 1,139,777.44 and 310,571.21 is: 465,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,850.74 : 1,139,777.44 = 310,571.21 : x
  2. Step 2: Convert to fraction form
    759,850.74/1,139,777.44 = 310,571.21/x
  3. Step 3: Cross multiply
    759,850.74x = 1,139,777.44 × 310,571.21
  4. Step 4: Simplify right side
    759,850.74x = 353,982,060,744.52
  5. Step 5: Solve for x
    x = 353,982,060,744.52/759,850.74
  6. Step 6: Final answer
    x = 465,857.36

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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.