Home / 439,932.67-607,107.07-238,728.67

Finding the Fourth Proportional to 439,932.67, 607,107.07 and 238,728.67

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Solution

The fourth proportional to 439,932.67, 607,107.07 and 238,728.67 is: 329,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,932.67 : 607,107.07 = 238,728.67 : x
  2. Step 2: Convert to fraction form
    439,932.67/607,107.07 = 238,728.67/x
  3. Step 3: Cross multiply
    439,932.67x = 607,107.07 × 238,728.67
  4. Step 4: Simplify right side
    439,932.67x = 144,933,862,149.34
  5. Step 5: Solve for x
    x = 144,933,862,149.34/439,932.67
  6. Step 6: Final answer
    x = 329,445.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.