Home / 641,310.89-884,995.36-350,921.26

Finding the Fourth Proportional to 641,310.89, 884,995.36 and 350,921.26

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Solution

The fourth proportional to 641,310.89, 884,995.36 and 350,921.26 is: 484,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,310.89 : 884,995.36 = 350,921.26 : x
  2. Step 2: Convert to fraction form
    641,310.89/884,995.36 = 350,921.26/x
  3. Step 3: Cross multiply
    641,310.89x = 884,995.36 × 350,921.26
  4. Step 4: Simplify right side
    641,310.89x = 310,563,686,825.35
  5. Step 5: Solve for x
    x = 310,563,686,825.35/641,310.89
  6. Step 6: Final answer
    x = 484,263.86

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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.