Home / 690,064.71-1,035,209.42-203,796.06

Finding the Fourth Proportional to 690,064.71, 1,035,209.42 and 203,796.06

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Solution

The fourth proportional to 690,064.71, 1,035,209.42 and 203,796.06 is: 305,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,064.71 : 1,035,209.42 = 203,796.06 : x
  2. Step 2: Convert to fraction form
    690,064.71/1,035,209.42 = 203,796.06/x
  3. Step 3: Cross multiply
    690,064.71x = 1,035,209.42 × 203,796.06
  4. Step 4: Simplify right side
    690,064.71x = 210,971,601,070.89
  5. Step 5: Solve for x
    x = 210,971,601,070.89/690,064.71
  6. Step 6: Final answer
    x = 305,727.27

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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.