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Finding the Fourth Proportional to 510,644.40, 764,152.20 and 444,807.60

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Solution

The fourth proportional to 510,644.40, 764,152.20 and 444,807.60 is: 665,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,644.40 : 764,152.20 = 444,807.60 : x
  2. Step 2: Convert to fraction form
    510,644.40/764,152.20 = 444,807.60/x
  3. Step 3: Cross multiply
    510,644.40x = 764,152.20 × 444,807.60
  4. Step 4: Simplify right side
    510,644.40x = 339,900,706,116.72
  5. Step 5: Solve for x
    x = 339,900,706,116.72/510,644.40
  6. Step 6: Final answer
    x = 665,630.93

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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.