Home / 751,272.95-1,036,754.27-407,110.23

Finding the Fourth Proportional to 751,272.95, 1,036,754.27 and 407,110.23

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Solution

The fourth proportional to 751,272.95, 1,036,754.27 and 407,110.23 is: 561,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,272.95 : 1,036,754.27 = 407,110.23 : x
  2. Step 2: Convert to fraction form
    751,272.95/1,036,754.27 = 407,110.23/x
  3. Step 3: Cross multiply
    751,272.95x = 1,036,754.27 × 407,110.23
  4. Step 4: Simplify right side
    751,272.95x = 422,073,268,804.29
  5. Step 5: Solve for x
    x = 422,073,268,804.29/751,272.95
  6. Step 6: Final answer
    x = 561,810.81

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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.