Home / 754,004.62-1,040,179.53-668,051.20

Finding the Fourth Proportional to 754,004.62, 1,040,179.53 and 668,051.20

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Solution

The fourth proportional to 754,004.62, 1,040,179.53 and 668,051.20 is: 921,603.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,004.62 : 1,040,179.53 = 668,051.20 : x
  2. Step 2: Convert to fraction form
    754,004.62/1,040,179.53 = 668,051.20/x
  3. Step 3: Cross multiply
    754,004.62x = 1,040,179.53 × 668,051.20
  4. Step 4: Simplify right side
    754,004.62x = 694,893,183,231.94
  5. Step 5: Solve for x
    x = 694,893,183,231.94/754,004.62
  6. Step 6: Final answer
    x = 921,603.35

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1.5x scale

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.