Home / 510,734.40-764,287.20-444,897.60

Finding the Fourth Proportional to 510,734.40, 764,287.20 and 444,897.60

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Solution

The fourth proportional to 510,734.40, 764,287.20 and 444,897.60 is: 665,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,734.40 : 764,287.20 = 444,897.60 : x
  2. Step 2: Convert to fraction form
    510,734.40/764,287.20 = 444,897.60/x
  3. Step 3: Cross multiply
    510,734.40x = 764,287.20 × 444,897.60
  4. Step 4: Simplify right side
    510,734.40x = 340,029,540,990.72
  5. Step 5: Solve for x
    x = 340,029,540,990.72/510,734.40
  6. Step 6: Final answer
    x = 665,765.89

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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.