Home / 819,959.52-1,229,412.42-340,518.03

Finding the Fourth Proportional to 819,959.52, 1,229,412.42 and 340,518.03

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Solution

The fourth proportional to 819,959.52, 1,229,412.42 and 340,518.03 is: 510,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,959.52 : 1,229,412.42 = 340,518.03 : x
  2. Step 2: Convert to fraction form
    819,959.52/1,229,412.42 = 340,518.03/x
  3. Step 3: Cross multiply
    819,959.52x = 1,229,412.42 × 340,518.03
  4. Step 4: Simplify right side
    819,959.52x = 418,637,087,466.28
  5. Step 5: Solve for x
    x = 418,637,087,466.28/819,959.52
  6. Step 6: Final answer
    x = 510,558.24

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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.