Home / 481,310.40-721,965.60-245,114.40

Finding the Fourth Proportional to 481,310.40, 721,965.60 and 245,114.40

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Solution

The fourth proportional to 481,310.40, 721,965.60 and 245,114.40 is: 367,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,310.40 : 721,965.60 = 245,114.40 : x
  2. Step 2: Convert to fraction form
    481,310.40/721,965.60 = 245,114.40/x
  3. Step 3: Cross multiply
    481,310.40x = 721,965.60 × 245,114.40
  4. Step 4: Simplify right side
    481,310.40x = 176,964,164,864.64
  5. Step 5: Solve for x
    x = 176,964,164,864.64/481,310.40
  6. Step 6: Final answer
    x = 367,671.60

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Similar ratio
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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.