Home / 427,982.32-590,557.68-236,990.80

Finding the Fourth Proportional to 427,982.32, 590,557.68 and 236,990.80

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Solution

The fourth proportional to 427,982.32, 590,557.68 and 236,990.80 is: 327,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,982.32 : 590,557.68 = 236,990.80 : x
  2. Step 2: Convert to fraction form
    427,982.32/590,557.68 = 236,990.80/x
  3. Step 3: Cross multiply
    427,982.32x = 590,557.68 × 236,990.80
  4. Step 4: Simplify right side
    427,982.32x = 139,956,737,029.34
  5. Step 5: Solve for x
    x = 139,956,737,029.34/427,982.32
  6. Step 6: Final answer
    x = 327,015.23

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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.