Home / 819,836.04-1,229,458.84-346,558.20

Finding the Fourth Proportional to 819,836.04, 1,229,458.84 and 346,558.20

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Solution

The fourth proportional to 819,836.04, 1,229,458.84 and 346,558.20 is: 519,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,836.04 : 1,229,458.84 = 346,558.20 : x
  2. Step 2: Convert to fraction form
    819,836.04/1,229,458.84 = 346,558.20/x
  3. Step 3: Cross multiply
    819,836.04x = 1,229,458.84 × 346,558.20
  4. Step 4: Simplify right side
    819,836.04x = 426,079,042,564.49
  5. Step 5: Solve for x
    x = 426,079,042,564.49/819,836.04
  6. Step 6: Final answer
    x = 519,712.51

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1.5x scale

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.