Home / 427,972.25-590,601.33-236,985.63

Finding the Fourth Proportional to 427,972.25, 590,601.33 and 236,985.63

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Solution

The fourth proportional to 427,972.25, 590,601.33 and 236,985.63 is: 327,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,972.25 : 590,601.33 = 236,985.63 : x
  2. Step 2: Convert to fraction form
    427,972.25/590,601.33 = 236,985.63/x
  3. Step 3: Cross multiply
    427,972.25x = 590,601.33 × 236,985.63
  4. Step 4: Simplify right side
    427,972.25x = 139,964,028,268.89
  5. Step 5: Solve for x
    x = 139,964,028,268.89/427,972.25
  6. Step 6: Final answer
    x = 327,039.96

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Double scale
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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.