Home / 641,025.40-960,371.70-522,052.60

Finding the Fourth Proportional to 641,025.40, 960,371.70 and 522,052.60

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Solution

The fourth proportional to 641,025.40, 960,371.70 and 522,052.60 is: 782,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,025.40 : 960,371.70 = 522,052.60 : x
  2. Step 2: Convert to fraction form
    641,025.40/960,371.70 = 522,052.60/x
  3. Step 3: Cross multiply
    641,025.40x = 960,371.70 × 522,052.60
  4. Step 4: Simplify right side
    641,025.40x = 501,364,542,951.42
  5. Step 5: Solve for x
    x = 501,364,542,951.42/641,025.40
  6. Step 6: Final answer
    x = 782,128.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.