Home / 893,721.42-1,340,669.61-294,438.06

Finding the Fourth Proportional to 893,721.42, 1,340,669.61 and 294,438.06

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Solution

The fourth proportional to 893,721.42, 1,340,669.61 and 294,438.06 is: 441,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,721.42 : 1,340,669.61 = 294,438.06 : x
  2. Step 2: Convert to fraction form
    893,721.42/1,340,669.61 = 294,438.06/x
  3. Step 3: Cross multiply
    893,721.42x = 1,340,669.61 × 294,438.06
  4. Step 4: Simplify right side
    893,721.42x = 394,744,159,069.36
  5. Step 5: Solve for x
    x = 394,744,159,069.36/893,721.42
  6. Step 6: Final answer
    x = 441,685.91

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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.