Home / 819,368.70-1,229,053.08-258,446.94

Finding the Fourth Proportional to 819,368.70, 1,229,053.08 and 258,446.94

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Solution

The fourth proportional to 819,368.70, 1,229,053.08 and 258,446.94 is: 387,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,368.70 : 1,229,053.08 = 258,446.94 : x
  2. Step 2: Convert to fraction form
    819,368.70/1,229,053.08 = 258,446.94/x
  3. Step 3: Cross multiply
    819,368.70x = 1,229,053.08 × 258,446.94
  4. Step 4: Simplify right side
    819,368.70x = 317,645,007,623.58
  5. Step 5: Solve for x
    x = 317,645,007,623.58/819,368.70
  6. Step 6: Final answer
    x = 387,670.42

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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.