Home / 728,944.74-1,092,389.52-344,283.54

Finding the Fourth Proportional to 728,944.74, 1,092,389.52 and 344,283.54

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Solution

The fourth proportional to 728,944.74, 1,092,389.52 and 344,283.54 is: 515,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,944.74 : 1,092,389.52 = 344,283.54 : x
  2. Step 2: Convert to fraction form
    728,944.74/1,092,389.52 = 344,283.54/x
  3. Step 3: Cross multiply
    728,944.74x = 1,092,389.52 × 344,283.54
  4. Step 4: Simplify right side
    728,944.74x = 376,091,731,004.50
  5. Step 5: Solve for x
    x = 376,091,731,004.50/728,944.74
  6. Step 6: Final answer
    x = 515,939.98

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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.