Home / 728,202.36-1,092,128.45-373,033.56

Finding the Fourth Proportional to 728,202.36, 1,092,128.45 and 373,033.56

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Solution

The fourth proportional to 728,202.36, 1,092,128.45 and 373,033.56 is: 559,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,202.36 : 1,092,128.45 = 373,033.56 : x
  2. Step 2: Convert to fraction form
    728,202.36/1,092,128.45 = 373,033.56/x
  3. Step 3: Cross multiply
    728,202.36x = 1,092,128.45 × 373,033.56
  4. Step 4: Simplify right side
    728,202.36x = 407,400,561,815.61
  5. Step 5: Solve for x
    x = 407,400,561,815.61/728,202.36
  6. Step 6: Final answer
    x = 559,460.64

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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.