Home / 439,879.13-607,036.43-238,675.13

Finding the Fourth Proportional to 439,879.13, 607,036.43 and 238,675.13

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Solution

The fourth proportional to 439,879.13, 607,036.43 and 238,675.13 is: 329,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,879.13 : 607,036.43 = 238,675.13 : x
  2. Step 2: Convert to fraction form
    439,879.13/607,036.43 = 238,675.13/x
  3. Step 3: Cross multiply
    439,879.13x = 607,036.43 × 238,675.13
  4. Step 4: Simplify right side
    439,879.13x = 144,884,498,844.99
  5. Step 5: Solve for x
    x = 144,884,498,844.99/439,879.13
  6. Step 6: Final answer
    x = 329,373.43

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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.