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Finding the Fourth Proportional to 605,276.40, 907,695.90 and 245,296.20

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Solution

The fourth proportional to 605,276.40, 907,695.90 and 245,296.20 is: 367,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,276.40 : 907,695.90 = 245,296.20 : x
  2. Step 2: Convert to fraction form
    605,276.40/907,695.90 = 245,296.20/x
  3. Step 3: Cross multiply
    605,276.40x = 907,695.90 × 245,296.20
  4. Step 4: Simplify right side
    605,276.40x = 222,654,355,025.58
  5. Step 5: Solve for x
    x = 222,654,355,025.58/605,276.40
  6. Step 6: Final answer
    x = 367,855.67

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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.