Home / 754,820.82-1,040,525.73-499,729.14

Finding the Fourth Proportional to 754,820.82, 1,040,525.73 and 499,729.14

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Solution

The fourth proportional to 754,820.82, 1,040,525.73 and 499,729.14 is: 688,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,820.82 : 1,040,525.73 = 499,729.14 : x
  2. Step 2: Convert to fraction form
    754,820.82/1,040,525.73 = 499,729.14/x
  3. Step 3: Cross multiply
    754,820.82x = 1,040,525.73 × 499,729.14
  4. Step 4: Simplify right side
    754,820.82x = 519,981,028,200.77
  5. Step 5: Solve for x
    x = 519,981,028,200.77/754,820.82
  6. Step 6: Final answer
    x = 688,880.08

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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.