Home / 734,202.06-1,013,201.64-428,489.61

Finding the Fourth Proportional to 734,202.06, 1,013,201.64 and 428,489.61

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Solution

The fourth proportional to 734,202.06, 1,013,201.64 and 428,489.61 is: 591,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,202.06 : 1,013,201.64 = 428,489.61 : x
  2. Step 2: Convert to fraction form
    734,202.06/1,013,201.64 = 428,489.61/x
  3. Step 3: Cross multiply
    734,202.06x = 1,013,201.64 × 428,489.61
  4. Step 4: Simplify right side
    734,202.06x = 434,146,375,574.96
  5. Step 5: Solve for x
    x = 434,146,375,574.96/734,202.06
  6. Step 6: Final answer
    x = 591,317.29

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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.