Home / 380,839.24-570,862.62-127,932.04

Finding the Fourth Proportional to 380,839.24, 570,862.62 and 127,932.04

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Solution

The fourth proportional to 380,839.24, 570,862.62 and 127,932.04 is: 191,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,839.24 : 570,862.62 = 127,932.04 : x
  2. Step 2: Convert to fraction form
    380,839.24/570,862.62 = 127,932.04/x
  3. Step 3: Cross multiply
    380,839.24x = 570,862.62 × 127,932.04
  4. Step 4: Simplify right side
    380,839.24x = 73,031,619,536.34
  5. Step 5: Solve for x
    x = 73,031,619,536.34/380,839.24
  6. Step 6: Final answer
    x = 191,764.95

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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.