Home / 790,801.78-1,091,321.49-433,105.78

Finding the Fourth Proportional to 790,801.78, 1,091,321.49 and 433,105.78

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Solution

The fourth proportional to 790,801.78, 1,091,321.49 and 433,105.78 is: 597,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,801.78 : 1,091,321.49 = 433,105.78 : x
  2. Step 2: Convert to fraction form
    790,801.78/1,091,321.49 = 433,105.78/x
  3. Step 3: Cross multiply
    790,801.78x = 1,091,321.49 × 433,105.78
  4. Step 4: Simplify right side
    790,801.78x = 472,657,645,157.21
  5. Step 5: Solve for x
    x = 472,657,645,157.21/790,801.78
  6. Step 6: Final answer
    x = 597,694.21

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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.