Home / 914,371.24-1,261,852.80-521,896.40

Finding the Fourth Proportional to 914,371.24, 1,261,852.80 and 521,896.40

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Solution

The fourth proportional to 914,371.24, 1,261,852.80 and 521,896.40 is: 720,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,371.24 : 1,261,852.80 = 521,896.40 : x
  2. Step 2: Convert to fraction form
    914,371.24/1,261,852.80 = 521,896.40/x
  3. Step 3: Cross multiply
    914,371.24x = 1,261,852.80 × 521,896.40
  4. Step 4: Simplify right side
    914,371.24x = 658,556,433,649.92
  5. Step 5: Solve for x
    x = 658,556,433,649.92/914,371.24
  6. Step 6: Final answer
    x = 720,228.73

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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.