Home / 821,468.60-1,232,202.90-448,220.60

Finding the Fourth Proportional to 821,468.60, 1,232,202.90 and 448,220.60

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Solution

The fourth proportional to 821,468.60, 1,232,202.90 and 448,220.60 is: 672,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,468.60 : 1,232,202.90 = 448,220.60 : x
  2. Step 2: Convert to fraction form
    821,468.60/1,232,202.90 = 448,220.60/x
  3. Step 3: Cross multiply
    821,468.60x = 1,232,202.90 × 448,220.60
  4. Step 4: Simplify right side
    821,468.60x = 552,298,723,159.74
  5. Step 5: Solve for x
    x = 552,298,723,159.74/821,468.60
  6. Step 6: Final answer
    x = 672,330.90

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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.