Home / 816,185.88-1,126,277.76-510,399.48

Finding the Fourth Proportional to 816,185.88, 1,126,277.76 and 510,399.48

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Solution

The fourth proportional to 816,185.88, 1,126,277.76 and 510,399.48 is: 704,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,185.88 : 1,126,277.76 = 510,399.48 : x
  2. Step 2: Convert to fraction form
    816,185.88/1,126,277.76 = 510,399.48/x
  3. Step 3: Cross multiply
    816,185.88x = 1,126,277.76 × 510,399.48
  4. Step 4: Simplify right side
    816,185.88x = 574,851,583,039.57
  5. Step 5: Solve for x
    x = 574,851,583,039.57/816,185.88
  6. Step 6: Final answer
    x = 704,314.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.