Home / 819,903.30-1,229,563.35-370,839.30

Finding the Fourth Proportional to 819,903.30, 1,229,563.35 and 370,839.30

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Solution

The fourth proportional to 819,903.30, 1,229,563.35 and 370,839.30 is: 556,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,903.30 : 1,229,563.35 = 370,839.30 : x
  2. Step 2: Convert to fraction form
    819,903.30/1,229,563.35 = 370,839.30/x
  3. Step 3: Cross multiply
    819,903.30x = 1,229,563.35 × 370,839.30
  4. Step 4: Simplify right side
    819,903.30x = 455,970,412,019.66
  5. Step 5: Solve for x
    x = 455,970,412,019.66/819,903.30
  6. Step 6: Final answer
    x = 556,127.06

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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.