Home / 439,963.04-607,149-238,759.04

Finding the Fourth Proportional to 439,963.04, 607,149 and 238,759.04

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Solution

The fourth proportional to 439,963.04, 607,149 and 238,759.04 is: 329,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,963.04 : 607,149 = 238,759.04 : x
  2. Step 2: Convert to fraction form
    439,963.04/607,149 = 238,759.04/x
  3. Step 3: Cross multiply
    439,963.04x = 607,149 × 238,759.04
  4. Step 4: Simplify right side
    439,963.04x = 144,962,312,376.96
  5. Step 5: Solve for x
    x = 144,962,312,376.96/439,963.04
  6. Step 6: Final answer
    x = 329,487.48

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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.