Home / 728,941.73-1,092,385.02-344,280.54

Finding the Fourth Proportional to 728,941.73, 1,092,385.02 and 344,280.54

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Solution

The fourth proportional to 728,941.73, 1,092,385.02 and 344,280.54 is: 515,935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,941.73 : 1,092,385.02 = 344,280.54 : x
  2. Step 2: Convert to fraction form
    728,941.73/1,092,385.02 = 344,280.54/x
  3. Step 3: Cross multiply
    728,941.73x = 1,092,385.02 × 344,280.54
  4. Step 4: Simplify right side
    728,941.73x = 376,086,904,573.51
  5. Step 5: Solve for x
    x = 376,086,904,573.51/728,941.73
  6. Step 6: Final answer
    x = 515,935.49

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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.