Home / 1,003,649.54-1,505,157.12-329,619.78

Finding the Fourth Proportional to 1,003,649.54, 1,505,157.12 and 329,619.78

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Solution

The fourth proportional to 1,003,649.54, 1,505,157.12 and 329,619.78 is: 494,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,649.54 : 1,505,157.12 = 329,619.78 : x
  2. Step 2: Convert to fraction form
    1,003,649.54/1,505,157.12 = 329,619.78/x
  3. Step 3: Cross multiply
    1,003,649.54x = 1,505,157.12 × 329,619.78
  4. Step 4: Simplify right side
    1,003,649.54x = 496,129,558,759.83
  5. Step 5: Solve for x
    x = 496,129,558,759.83/1,003,649.54
  6. Step 6: Final answer
    x = 494,325.50

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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.