Home / 885,622.80-1,328,434.20-254,499.60

Finding the Fourth Proportional to 885,622.80, 1,328,434.20 and 254,499.60

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Solution

The fourth proportional to 885,622.80, 1,328,434.20 and 254,499.60 is: 381,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,622.80 : 1,328,434.20 = 254,499.60 : x
  2. Step 2: Convert to fraction form
    885,622.80/1,328,434.20 = 254,499.60/x
  3. Step 3: Cross multiply
    885,622.80x = 1,328,434.20 × 254,499.60
  4. Step 4: Simplify right side
    885,622.80x = 338,085,972,526.32
  5. Step 5: Solve for x
    x = 338,085,972,526.32/885,622.80
  6. Step 6: Final answer
    x = 381,749.40

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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.