Home / 829,328.22-1,244,048.82-281,997.75

Finding the Fourth Proportional to 829,328.22, 1,244,048.82 and 281,997.75

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Solution

The fourth proportional to 829,328.22, 1,244,048.82 and 281,997.75 is: 423,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,328.22 : 1,244,048.82 = 281,997.75 : x
  2. Step 2: Convert to fraction form
    829,328.22/1,244,048.82 = 281,997.75/x
  3. Step 3: Cross multiply
    829,328.22x = 1,244,048.82 × 281,997.75
  4. Step 4: Simplify right side
    829,328.22x = 350,818,968,130.16
  5. Step 5: Solve for x
    x = 350,818,968,130.16/829,328.22
  6. Step 6: Final answer
    x = 423,015.83

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1.5x scale

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.