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Finding the Fourth Proportional to 641,311.89, 884,996.75 and 350,922.26

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Solution

The fourth proportional to 641,311.89, 884,996.75 and 350,922.26 is: 484,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,311.89 : 884,996.75 = 350,922.26 : x
  2. Step 2: Convert to fraction form
    641,311.89/884,996.75 = 350,922.26/x
  3. Step 3: Cross multiply
    641,311.89x = 884,996.75 × 350,922.26
  4. Step 4: Simplify right side
    641,311.89x = 310,565,053,423.06
  5. Step 5: Solve for x
    x = 310,565,053,423.06/641,311.89
  6. Step 6: Final answer
    x = 484,265.24

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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.