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Finding the Fourth Proportional to 641,027.40, 960,374.70 and 522,054.60

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Solution

The fourth proportional to 641,027.40, 960,374.70 and 522,054.60 is: 782,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,027.40 : 960,374.70 = 522,054.60 : x
  2. Step 2: Convert to fraction form
    641,027.40/960,374.70 = 522,054.60/x
  3. Step 3: Cross multiply
    641,027.40x = 960,374.70 × 522,054.60
  4. Step 4: Simplify right side
    641,027.40x = 501,368,029,858.62
  5. Step 5: Solve for x
    x = 501,368,029,858.62/641,027.40
  6. Step 6: Final answer
    x = 782,131.98

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1.5x scale

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.