Home / 690,882.35-1,036,634.56-374,865.71

Finding the Fourth Proportional to 690,882.35, 1,036,634.56 and 374,865.71

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Solution

The fourth proportional to 690,882.35, 1,036,634.56 and 374,865.71 is: 562,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,882.35 : 1,036,634.56 = 374,865.71 : x
  2. Step 2: Convert to fraction form
    690,882.35/1,036,634.56 = 374,865.71/x
  3. Step 3: Cross multiply
    690,882.35x = 1,036,634.56 × 374,865.71
  4. Step 4: Simplify right side
    690,882.35x = 388,598,744,224.60
  5. Step 5: Solve for x
    x = 388,598,744,224.60/690,882.35
  6. Step 6: Final answer
    x = 562,467.32

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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.