Home / 693,287.60-1,040,028.60-272,465.60

Finding the Fourth Proportional to 693,287.60, 1,040,028.60 and 272,465.60

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Solution

The fourth proportional to 693,287.60, 1,040,028.60 and 272,465.60 is: 408,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,287.60 : 1,040,028.60 = 272,465.60 : x
  2. Step 2: Convert to fraction form
    693,287.60/1,040,028.60 = 272,465.60/x
  3. Step 3: Cross multiply
    693,287.60x = 1,040,028.60 × 272,465.60
  4. Step 4: Simplify right side
    693,287.60x = 283,372,016,516.16
  5. Step 5: Solve for x
    x = 283,372,016,516.16/693,287.60
  6. Step 6: Final answer
    x = 408,736.60

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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.