Home / 461,341.80-691,908.06-211,784.04

Finding the Fourth Proportional to 461,341.80, 691,908.06 and 211,784.04

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Solution

The fourth proportional to 461,341.80, 691,908.06 and 211,784.04 is: 317,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,341.80 : 691,908.06 = 211,784.04 : x
  2. Step 2: Convert to fraction form
    461,341.80/691,908.06 = 211,784.04/x
  3. Step 3: Cross multiply
    461,341.80x = 691,908.06 × 211,784.04
  4. Step 4: Simplify right side
    461,341.80x = 146,535,084,255.36
  5. Step 5: Solve for x
    x = 146,535,084,255.36/461,341.80
  6. Step 6: Final answer
    x = 317,628.02

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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.