Home / 971,996.80-1,457,995.20-262,096.60

Finding the Fourth Proportional to 971,996.80, 1,457,995.20 and 262,096.60

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Solution

The fourth proportional to 971,996.80, 1,457,995.20 and 262,096.60 is: 393,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,996.80 : 1,457,995.20 = 262,096.60 : x
  2. Step 2: Convert to fraction form
    971,996.80/1,457,995.20 = 262,096.60/x
  3. Step 3: Cross multiply
    971,996.80x = 1,457,995.20 × 262,096.60
  4. Step 4: Simplify right side
    971,996.80x = 382,135,584,736.32
  5. Step 5: Solve for x
    x = 382,135,584,736.32/971,996.80
  6. Step 6: Final answer
    x = 393,144.90

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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.