Home / 418,873.03-628,316.47-202,606.07

Finding the Fourth Proportional to 418,873.03, 628,316.47 and 202,606.07

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Solution

The fourth proportional to 418,873.03, 628,316.47 and 202,606.07 is: 303,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,873.03 : 628,316.47 = 202,606.07 : x
  2. Step 2: Convert to fraction form
    418,873.03/628,316.47 = 202,606.07/x
  3. Step 3: Cross multiply
    418,873.03x = 628,316.47 × 202,606.07
  4. Step 4: Simplify right side
    418,873.03x = 127,300,732,303.73
  5. Step 5: Solve for x
    x = 127,300,732,303.73/418,873.03
  6. Step 6: Final answer
    x = 303,912.46

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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.