Home / 785,691.96-1,084,255.02-427,995.96

Finding the Fourth Proportional to 785,691.96, 1,084,255.02 and 427,995.96

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Solution

The fourth proportional to 785,691.96, 1,084,255.02 and 427,995.96 is: 590,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,691.96 : 1,084,255.02 = 427,995.96 : x
  2. Step 2: Convert to fraction form
    785,691.96/1,084,255.02 = 427,995.96/x
  3. Step 3: Cross multiply
    785,691.96x = 1,084,255.02 × 427,995.96
  4. Step 4: Simplify right side
    785,691.96x = 464,056,768,169.72
  5. Step 5: Solve for x
    x = 464,056,768,169.72/785,691.96
  6. Step 6: Final answer
    x = 590,634.49

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Double scale
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1.5x scale

Why These Related Problems?

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