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Finding the Fourth Proportional to 501,046.30, 751,569.45 and 329,804.20

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Solution

The fourth proportional to 501,046.30, 751,569.45 and 329,804.20 is: 494,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,046.30 : 751,569.45 = 329,804.20 : x
  2. Step 2: Convert to fraction form
    501,046.30/751,569.45 = 329,804.20/x
  3. Step 3: Cross multiply
    501,046.30x = 751,569.45 × 329,804.20
  4. Step 4: Simplify right side
    501,046.30x = 247,870,761,201.69
  5. Step 5: Solve for x
    x = 247,870,761,201.69/501,046.30
  6. Step 6: Final answer
    x = 494,706.30

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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.