Home / 1,076,982.40-1,615,550.40-329,027.20

Finding the Fourth Proportional to 1,076,982.40, 1,615,550.40 and 329,027.20

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Solution

The fourth proportional to 1,076,982.40, 1,615,550.40 and 329,027.20 is: 493,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,982.40 : 1,615,550.40 = 329,027.20 : x
  2. Step 2: Convert to fraction form
    1,076,982.40/1,615,550.40 = 329,027.20/x
  3. Step 3: Cross multiply
    1,076,982.40x = 1,615,550.40 × 329,027.20
  4. Step 4: Simplify right side
    1,076,982.40x = 531,560,024,570.88
  5. Step 5: Solve for x
    x = 531,560,024,570.88/1,076,982.40
  6. Step 6: Final answer
    x = 493,564.26

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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.