Home / 1,003,239.10-1,505,040.90-329,132.80

Finding the Fourth Proportional to 1,003,239.10, 1,505,040.90 and 329,132.80

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Solution

The fourth proportional to 1,003,239.10, 1,505,040.90 and 329,132.80 is: 493,758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,239.10 : 1,505,040.90 = 329,132.80 : x
  2. Step 2: Convert to fraction form
    1,003,239.10/1,505,040.90 = 329,132.80/x
  3. Step 3: Cross multiply
    1,003,239.10x = 1,505,040.90 × 329,132.80
  4. Step 4: Simplify right side
    1,003,239.10x = 495,358,325,531.52
  5. Step 5: Solve for x
    x = 495,358,325,531.52/1,003,239.10
  6. Step 6: Final answer
    x = 493,758.99

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Double scale
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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.