Home / 687,066.52-1,030,670.48-237,786.60

Finding the Fourth Proportional to 687,066.52, 1,030,670.48 and 237,786.60

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Solution

The fourth proportional to 687,066.52, 1,030,670.48 and 237,786.60 is: 356,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,066.52 : 1,030,670.48 = 237,786.60 : x
  2. Step 2: Convert to fraction form
    687,066.52/1,030,670.48 = 237,786.60/x
  3. Step 3: Cross multiply
    687,066.52x = 1,030,670.48 × 237,786.60
  4. Step 4: Simplify right side
    687,066.52x = 245,079,629,159.57
  5. Step 5: Solve for x
    x = 245,079,629,159.57/687,066.52
  6. Step 6: Final answer
    x = 356,704.37

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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.