Home / 739,996.20-1,021,194.76-400,464.45

Finding the Fourth Proportional to 739,996.20, 1,021,194.76 and 400,464.45

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Solution

The fourth proportional to 739,996.20, 1,021,194.76 and 400,464.45 is: 552,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,996.20 : 1,021,194.76 = 400,464.45 : x
  2. Step 2: Convert to fraction form
    739,996.20/1,021,194.76 = 400,464.45/x
  3. Step 3: Cross multiply
    739,996.20x = 1,021,194.76 × 400,464.45
  4. Step 4: Simplify right side
    739,996.20x = 408,952,197,906.28
  5. Step 5: Solve for x
    x = 408,952,197,906.28/739,996.20
  6. Step 6: Final answer
    x = 552,640.94

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Double scale
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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.