Home / 808,722.50-1,212,876.09-239,969.12

Finding the Fourth Proportional to 808,722.50, 1,212,876.09 and 239,969.12

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Solution

The fourth proportional to 808,722.50, 1,212,876.09 and 239,969.12 is: 359,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,722.50 : 1,212,876.09 = 239,969.12 : x
  2. Step 2: Convert to fraction form
    808,722.50/1,212,876.09 = 239,969.12/x
  3. Step 3: Cross multiply
    808,722.50x = 1,212,876.09 × 239,969.12
  4. Step 4: Simplify right side
    808,722.50x = 291,052,801,921.96
  5. Step 5: Solve for x
    x = 291,052,801,921.96/808,722.50
  6. Step 6: Final answer
    x = 359,892.06

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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.