Home / 439,876.75-607,033.16-238,672.75

Finding the Fourth Proportional to 439,876.75, 607,033.16 and 238,672.75

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Solution

The fourth proportional to 439,876.75, 607,033.16 and 238,672.75 is: 329,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,876.75 : 607,033.16 = 238,672.75 : x
  2. Step 2: Convert to fraction form
    439,876.75/607,033.16 = 238,672.75/x
  3. Step 3: Cross multiply
    439,876.75x = 607,033.16 × 238,672.75
  4. Step 4: Simplify right side
    439,876.75x = 144,882,273,638.39
  5. Step 5: Solve for x
    x = 144,882,273,638.39/439,876.75
  6. Step 6: Final answer
    x = 329,370.16

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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.