Home / 944,062.68-1,415,787.78-312,807

Finding the Fourth Proportional to 944,062.68, 1,415,787.78 and 312,807

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Solution

The fourth proportional to 944,062.68, 1,415,787.78 and 312,807 is: 469,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,062.68 : 1,415,787.78 = 312,807 : x
  2. Step 2: Convert to fraction form
    944,062.68/1,415,787.78 = 312,807/x
  3. Step 3: Cross multiply
    944,062.68x = 1,415,787.78 × 312,807
  4. Step 4: Simplify right side
    944,062.68x = 442,868,328,098.46
  5. Step 5: Solve for x
    x = 442,868,328,098.46/944,062.68
  6. Step 6: Final answer
    x = 469,109.03

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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.