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Finding the Fourth Proportional to 605,442.40, 908,163.60 and 325,506.40

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Solution

The fourth proportional to 605,442.40, 908,163.60 and 325,506.40 is: 488,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,442.40 : 908,163.60 = 325,506.40 : x
  2. Step 2: Convert to fraction form
    605,442.40/908,163.60 = 325,506.40/x
  3. Step 3: Cross multiply
    605,442.40x = 908,163.60 × 325,506.40
  4. Step 4: Simplify right side
    605,442.40x = 295,613,064,047.04
  5. Step 5: Solve for x
    x = 295,613,064,047.04/605,442.40
  6. Step 6: Final answer
    x = 488,259.60

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Similar ratio
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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.