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Finding the Fourth Proportional to 453,911.60, 680,867.40 and 295,281.20

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Solution

The fourth proportional to 453,911.60, 680,867.40 and 295,281.20 is: 442,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,911.60 : 680,867.40 = 295,281.20 : x
  2. Step 2: Convert to fraction form
    453,911.60/680,867.40 = 295,281.20/x
  3. Step 3: Cross multiply
    453,911.60x = 680,867.40 × 295,281.20
  4. Step 4: Simplify right side
    453,911.60x = 201,047,342,912.88
  5. Step 5: Solve for x
    x = 201,047,342,912.88/453,911.60
  6. Step 6: Final answer
    x = 442,921.80

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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.