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Finding the Fourth Proportional to 510,740.40, 764,296.20 and 444,903.60

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Solution

The fourth proportional to 510,740.40, 764,296.20 and 444,903.60 is: 665,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,740.40 : 764,296.20 = 444,903.60 : x
  2. Step 2: Convert to fraction form
    510,740.40/764,296.20 = 444,903.60/x
  3. Step 3: Cross multiply
    510,740.40x = 764,296.20 × 444,903.60
  4. Step 4: Simplify right side
    510,740.40x = 340,038,130,846.32
  5. Step 5: Solve for x
    x = 340,038,130,846.32/510,740.40
  6. Step 6: Final answer
    x = 665,774.88

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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.