Home / 836,999.80-1,255,499.70-304,538.20

Finding the Fourth Proportional to 836,999.80, 1,255,499.70 and 304,538.20

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Solution

The fourth proportional to 836,999.80, 1,255,499.70 and 304,538.20 is: 456,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,999.80 : 1,255,499.70 = 304,538.20 : x
  2. Step 2: Convert to fraction form
    836,999.80/1,255,499.70 = 304,538.20/x
  3. Step 3: Cross multiply
    836,999.80x = 1,255,499.70 × 304,538.20
  4. Step 4: Simplify right side
    836,999.80x = 382,347,618,738.54
  5. Step 5: Solve for x
    x = 382,347,618,738.54/836,999.80
  6. Step 6: Final answer
    x = 456,807.30

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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.