Home / 845,857.51-1,268,279.55-269,231.71

Finding the Fourth Proportional to 845,857.51, 1,268,279.55 and 269,231.71

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Solution

The fourth proportional to 845,857.51, 1,268,279.55 and 269,231.71 is: 403,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,857.51 : 1,268,279.55 = 269,231.71 : x
  2. Step 2: Convert to fraction form
    845,857.51/1,268,279.55 = 269,231.71/x
  3. Step 3: Cross multiply
    845,857.51x = 1,268,279.55 × 269,231.71
  4. Step 4: Simplify right side
    845,857.51x = 341,461,072,004.53
  5. Step 5: Solve for x
    x = 341,461,072,004.53/845,857.51
  6. Step 6: Final answer
    x = 403,686.28

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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.