Home / 684,661.38-1,027,085.49-285,208.73

Finding the Fourth Proportional to 684,661.38, 1,027,085.49 and 285,208.73

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Solution

The fourth proportional to 684,661.38, 1,027,085.49 and 285,208.73 is: 427,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,661.38 : 1,027,085.49 = 285,208.73 : x
  2. Step 2: Convert to fraction form
    684,661.38/1,027,085.49 = 285,208.73/x
  3. Step 3: Cross multiply
    684,661.38x = 1,027,085.49 × 285,208.73
  4. Step 4: Simplify right side
    684,661.38x = 292,933,746,920.47
  5. Step 5: Solve for x
    x = 292,933,746,920.47/684,661.38
  6. Step 6: Final answer
    x = 427,852.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.