Home / 428,950.26-591,987.42-237,960.36

Finding the Fourth Proportional to 428,950.26, 591,987.42 and 237,960.36

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Solution

The fourth proportional to 428,950.26, 591,987.42 and 237,960.36 is: 328,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,950.26 : 591,987.42 = 237,960.36 : x
  2. Step 2: Convert to fraction form
    428,950.26/591,987.42 = 237,960.36/x
  3. Step 3: Cross multiply
    428,950.26x = 591,987.42 × 237,960.36
  4. Step 4: Simplify right side
    428,950.26x = 140,869,539,578.67
  5. Step 5: Solve for x
    x = 140,869,539,578.67/428,950.26
  6. Step 6: Final answer
    x = 328,405.30

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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.