Home / 672,813.60-1,009,220.40-273,321.60

Finding the Fourth Proportional to 672,813.60, 1,009,220.40 and 273,321.60

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Solution

The fourth proportional to 672,813.60, 1,009,220.40 and 273,321.60 is: 409,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,813.60 : 1,009,220.40 = 273,321.60 : x
  2. Step 2: Convert to fraction form
    672,813.60/1,009,220.40 = 273,321.60/x
  3. Step 3: Cross multiply
    672,813.60x = 1,009,220.40 × 273,321.60
  4. Step 4: Simplify right side
    672,813.60x = 275,841,734,480.64
  5. Step 5: Solve for x
    x = 275,841,734,480.64/672,813.60
  6. Step 6: Final answer
    x = 409,982.40

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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.