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Finding the Fourth Proportional to 446,407.20, 669,610.80 and 269,114.40

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Solution

The fourth proportional to 446,407.20, 669,610.80 and 269,114.40 is: 403,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,407.20 : 669,610.80 = 269,114.40 : x
  2. Step 2: Convert to fraction form
    446,407.20/669,610.80 = 269,114.40/x
  3. Step 3: Cross multiply
    446,407.20x = 669,610.80 × 269,114.40
  4. Step 4: Simplify right side
    446,407.20x = 180,201,908,675.52
  5. Step 5: Solve for x
    x = 180,201,908,675.52/446,407.20
  6. Step 6: Final answer
    x = 403,671.60

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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.