Home / 903,725.22-1,354,758.39-312,334.50

Finding the Fourth Proportional to 903,725.22, 1,354,758.39 and 312,334.50

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Solution

The fourth proportional to 903,725.22, 1,354,758.39 and 312,334.50 is: 468,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,725.22 : 1,354,758.39 = 312,334.50 : x
  2. Step 2: Convert to fraction form
    903,725.22/1,354,758.39 = 312,334.50/x
  3. Step 3: Cross multiply
    903,725.22x = 1,354,758.39 × 312,334.50
  4. Step 4: Simplify right side
    903,725.22x = 423,137,784,361.46
  5. Step 5: Solve for x
    x = 423,137,784,361.46/903,725.22
  6. Step 6: Final answer
    x = 468,215.09

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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.