Home / 1,003,343.90-1,505,015.85-329,529.20

Finding the Fourth Proportional to 1,003,343.90, 1,505,015.85 and 329,529.20

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Solution

The fourth proportional to 1,003,343.90, 1,505,015.85 and 329,529.20 is: 494,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,343.90 : 1,505,015.85 = 329,529.20 : x
  2. Step 2: Convert to fraction form
    1,003,343.90/1,505,015.85 = 329,529.20/x
  3. Step 3: Cross multiply
    1,003,343.90x = 1,505,015.85 × 329,529.20
  4. Step 4: Simplify right side
    1,003,343.90x = 495,946,669,037.82
  5. Step 5: Solve for x
    x = 495,946,669,037.82/1,003,343.90
  6. Step 6: Final answer
    x = 494,293.80

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Double scale
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Similar ratio
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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.