Home / 1,003,631.41-1,505,130-329,601.66

Finding the Fourth Proportional to 1,003,631.41, 1,505,130 and 329,601.66

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Solution

The fourth proportional to 1,003,631.41, 1,505,130 and 329,601.66 is: 494,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,631.41 : 1,505,130 = 329,601.66 : x
  2. Step 2: Convert to fraction form
    1,003,631.41/1,505,130 = 329,601.66/x
  3. Step 3: Cross multiply
    1,003,631.41x = 1,505,130 × 329,601.66
  4. Step 4: Simplify right side
    1,003,631.41x = 496,093,346,515.80
  5. Step 5: Solve for x
    x = 496,093,346,515.80/1,003,631.41
  6. Step 6: Final answer
    x = 494,298.35

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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.