Home / 654,228.08-902,839.71-363,843.68

Finding the Fourth Proportional to 654,228.08, 902,839.71 and 363,843.68

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Solution

The fourth proportional to 654,228.08, 902,839.71 and 363,843.68 is: 502,107.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,228.08 : 902,839.71 = 363,843.68 : x
  2. Step 2: Convert to fraction form
    654,228.08/902,839.71 = 363,843.68/x
  3. Step 3: Cross multiply
    654,228.08x = 902,839.71 × 363,843.68
  4. Step 4: Simplify right side
    654,228.08x = 328,492,518,022.33
  5. Step 5: Solve for x
    x = 328,492,518,022.33/654,228.08
  6. Step 6: Final answer
    x = 502,107.03

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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.