Home / 1,003,690.20-1,505,681.10-329,656.80

Finding the Fourth Proportional to 1,003,690.20, 1,505,681.10 and 329,656.80

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Solution

The fourth proportional to 1,003,690.20, 1,505,681.10 and 329,656.80 is: 494,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,690.20 : 1,505,681.10 = 329,656.80 : x
  2. Step 2: Convert to fraction form
    1,003,690.20/1,505,681.10 = 329,656.80/x
  3. Step 3: Cross multiply
    1,003,690.20x = 1,505,681.10 × 329,656.80
  4. Step 4: Simplify right side
    1,003,690.20x = 496,358,013,246.48
  5. Step 5: Solve for x
    x = 496,358,013,246.48/1,003,690.20
  6. Step 6: Final answer
    x = 494,533.09

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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.