Home / 649,948.80-896,912.61-359,571.30

Finding the Fourth Proportional to 649,948.80, 896,912.61 and 359,571.30

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Solution

The fourth proportional to 649,948.80, 896,912.61 and 359,571.30 is: 496,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,948.80 : 896,912.61 = 359,571.30 : x
  2. Step 2: Convert to fraction form
    649,948.80/896,912.61 = 359,571.30/x
  3. Step 3: Cross multiply
    649,948.80x = 896,912.61 × 359,571.30
  4. Step 4: Simplify right side
    649,948.80x = 322,504,033,164.09
  5. Step 5: Solve for x
    x = 322,504,033,164.09/649,948.80
  6. Step 6: Final answer
    x = 496,199.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.