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Finding the Fourth Proportional to 653,385.96, 901,683.24 and 363,016.26

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Solution

The fourth proportional to 653,385.96, 901,683.24 and 363,016.26 is: 500,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,385.96 : 901,683.24 = 363,016.26 : x
  2. Step 2: Convert to fraction form
    653,385.96/901,683.24 = 363,016.26/x
  3. Step 3: Cross multiply
    653,385.96x = 901,683.24 × 363,016.26
  4. Step 4: Simplify right side
    653,385.96x = 327,325,677,489.48
  5. Step 5: Solve for x
    x = 327,325,677,489.48/653,385.96
  6. Step 6: Final answer
    x = 500,968.34

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Double scale
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Similar ratio
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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.