Home / 905,761.87-1,249,948.53-497,889.14

Finding the Fourth Proportional to 905,761.87, 1,249,948.53 and 497,889.14

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Solution

The fourth proportional to 905,761.87, 1,249,948.53 and 497,889.14 is: 687,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,761.87 : 1,249,948.53 = 497,889.14 : x
  2. Step 2: Convert to fraction form
    905,761.87/1,249,948.53 = 497,889.14/x
  3. Step 3: Cross multiply
    905,761.87x = 1,249,948.53 × 497,889.14
  4. Step 4: Simplify right side
    905,761.87x = 622,335,792,396.22
  5. Step 5: Solve for x
    x = 622,335,792,396.22/905,761.87
  6. Step 6: Final answer
    x = 687,085.44

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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.