Home / 728,092.38-1,004,772.12-405,822.94

Finding the Fourth Proportional to 728,092.38, 1,004,772.12 and 405,822.94

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Solution

The fourth proportional to 728,092.38, 1,004,772.12 and 405,822.94 is: 560,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,092.38 : 1,004,772.12 = 405,822.94 : x
  2. Step 2: Convert to fraction form
    728,092.38/1,004,772.12 = 405,822.94/x
  3. Step 3: Cross multiply
    728,092.38x = 1,004,772.12 × 405,822.94
  4. Step 4: Simplify right side
    728,092.38x = 407,759,575,768.43
  5. Step 5: Solve for x
    x = 407,759,575,768.43/728,092.38
  6. Step 6: Final answer
    x = 560,038.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.