Home / 628,470.42-942,793.08-202,019.36

Finding the Fourth Proportional to 628,470.42, 942,793.08 and 202,019.36

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Solution

The fourth proportional to 628,470.42, 942,793.08 and 202,019.36 is: 303,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,470.42 : 942,793.08 = 202,019.36 : x
  2. Step 2: Convert to fraction form
    628,470.42/942,793.08 = 202,019.36/x
  3. Step 3: Cross multiply
    628,470.42x = 942,793.08 × 202,019.36
  4. Step 4: Simplify right side
    628,470.42x = 190,462,454,634.03
  5. Step 5: Solve for x
    x = 190,462,454,634.03/628,470.42
  6. Step 6: Final answer
    x = 303,057.15

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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.