Home / 821,444.60-1,232,166.90-448,196.60

Finding the Fourth Proportional to 821,444.60, 1,232,166.90 and 448,196.60

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Solution

The fourth proportional to 821,444.60, 1,232,166.90 and 448,196.60 is: 672,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,444.60 : 1,232,166.90 = 448,196.60 : x
  2. Step 2: Convert to fraction form
    821,444.60/1,232,166.90 = 448,196.60/x
  3. Step 3: Cross multiply
    821,444.60x = 1,232,166.90 × 448,196.60
  4. Step 4: Simplify right side
    821,444.60x = 552,253,015,212.54
  5. Step 5: Solve for x
    x = 552,253,015,212.54/821,444.60
  6. Step 6: Final answer
    x = 672,294.90

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.