Home / 840,201.37-1,159,147.79-517,351.57

Finding the Fourth Proportional to 840,201.37, 1,159,147.79 and 517,351.57

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Solution

The fourth proportional to 840,201.37, 1,159,147.79 and 517,351.57 is: 713,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,201.37 : 1,159,147.79 = 517,351.57 : x
  2. Step 2: Convert to fraction form
    840,201.37/1,159,147.79 = 517,351.57/x
  3. Step 3: Cross multiply
    840,201.37x = 1,159,147.79 × 517,351.57
  4. Step 4: Simplify right side
    840,201.37x = 599,686,923,222.79
  5. Step 5: Solve for x
    x = 599,686,923,222.79/840,201.37
  6. Step 6: Final answer
    x = 713,741.91

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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.