Home / 439,939.62-607,116.69-238,735.62

Finding the Fourth Proportional to 439,939.62, 607,116.69 and 238,735.62

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Solution

The fourth proportional to 439,939.62, 607,116.69 and 238,735.62 is: 329,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,939.62 : 607,116.69 = 238,735.62 : x
  2. Step 2: Convert to fraction form
    439,939.62/607,116.69 = 238,735.62/x
  3. Step 3: Cross multiply
    439,939.62x = 607,116.69 × 238,735.62
  4. Step 4: Simplify right side
    439,939.62x = 144,940,379,399.50
  5. Step 5: Solve for x
    x = 144,940,379,399.50/439,939.62
  6. Step 6: Final answer
    x = 329,455.16

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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.