Home / 905,835.29-1,250,068.23-497,954.33

Finding the Fourth Proportional to 905,835.29, 1,250,068.23 and 497,954.33

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Solution

The fourth proportional to 905,835.29, 1,250,068.23 and 497,954.33 is: 687,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,835.29 : 1,250,068.23 = 497,954.33 : x
  2. Step 2: Convert to fraction form
    905,835.29/1,250,068.23 = 497,954.33/x
  3. Step 3: Cross multiply
    905,835.29x = 1,250,068.23 × 497,954.33
  4. Step 4: Simplify right side
    905,835.29x = 622,476,885,103.51
  5. Step 5: Solve for x
    x = 622,476,885,103.51/905,835.29
  6. Step 6: Final answer
    x = 687,185.51

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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.