Home / 845,653.23-1,268,756.33-313,213.23

Finding the Fourth Proportional to 845,653.23, 1,268,756.33 and 313,213.23

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Solution

The fourth proportional to 845,653.23, 1,268,756.33 and 313,213.23 is: 469,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,653.23 : 1,268,756.33 = 313,213.23 : x
  2. Step 2: Convert to fraction form
    845,653.23/1,268,756.33 = 313,213.23/x
  3. Step 3: Cross multiply
    845,653.23x = 1,268,756.33 × 313,213.23
  4. Step 4: Simplify right side
    845,653.23x = 397,391,266,636.18
  5. Step 5: Solve for x
    x = 397,391,266,636.18/845,653.23
  6. Step 6: Final answer
    x = 469,922.25

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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.