Home / 944,083.68-1,415,819.28-312,828

Finding the Fourth Proportional to 944,083.68, 1,415,819.28 and 312,828

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Solution

The fourth proportional to 944,083.68, 1,415,819.28 and 312,828 is: 469,140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,083.68 : 1,415,819.28 = 312,828 : x
  2. Step 2: Convert to fraction form
    944,083.68/1,415,819.28 = 312,828/x
  3. Step 3: Cross multiply
    944,083.68x = 1,415,819.28 × 312,828
  4. Step 4: Simplify right side
    944,083.68x = 442,907,913,723.84
  5. Step 5: Solve for x
    x = 442,907,913,723.84/944,083.68
  6. Step 6: Final answer
    x = 469,140.53

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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.