Home / 905,836.48-1,250,069.87-497,955.51

Finding the Fourth Proportional to 905,836.48, 1,250,069.87 and 497,955.51

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Solution

The fourth proportional to 905,836.48, 1,250,069.87 and 497,955.51 is: 687,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,836.48 : 1,250,069.87 = 497,955.51 : x
  2. Step 2: Convert to fraction form
    905,836.48/1,250,069.87 = 497,955.51/x
  3. Step 3: Cross multiply
    905,836.48x = 1,250,069.87 × 497,955.51
  4. Step 4: Simplify right side
    905,836.48x = 622,479,185,584.14
  5. Step 5: Solve for x
    x = 622,479,185,584.14/905,836.48
  6. Step 6: Final answer
    x = 687,187.15

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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.