Home / 695,261.60-1,042,892.40-221,981.60

Finding the Fourth Proportional to 695,261.60, 1,042,892.40 and 221,981.60

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Solution

The fourth proportional to 695,261.60, 1,042,892.40 and 221,981.60 is: 332,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,261.60 : 1,042,892.40 = 221,981.60 : x
  2. Step 2: Convert to fraction form
    695,261.60/1,042,892.40 = 221,981.60/x
  3. Step 3: Cross multiply
    695,261.60x = 1,042,892.40 × 221,981.60
  4. Step 4: Simplify right side
    695,261.60x = 231,502,923,579.84
  5. Step 5: Solve for x
    x = 231,502,923,579.84/695,261.60
  6. Step 6: Final answer
    x = 332,972.40

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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.