Home / 695,261.40-1,042,892.10-221,962.20

Finding the Fourth Proportional to 695,261.40, 1,042,892.10 and 221,962.20

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Solution

The fourth proportional to 695,261.40, 1,042,892.10 and 221,962.20 is: 332,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,261.40 : 1,042,892.10 = 221,962.20 : x
  2. Step 2: Convert to fraction form
    695,261.40/1,042,892.10 = 221,962.20/x
  3. Step 3: Cross multiply
    695,261.40x = 1,042,892.10 × 221,962.20
  4. Step 4: Simplify right side
    695,261.40x = 231,482,624,878.62
  5. Step 5: Solve for x
    x = 231,482,624,878.62/695,261.40
  6. Step 6: Final answer
    x = 332,943.30

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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.