Home / 465,787.64-642,684.30-296,270.84

Finding the Fourth Proportional to 465,787.64, 642,684.30 and 296,270.84

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Solution

The fourth proportional to 465,787.64, 642,684.30 and 296,270.84 is: 408,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,787.64 : 642,684.30 = 296,270.84 : x
  2. Step 2: Convert to fraction form
    465,787.64/642,684.30 = 296,270.84/x
  3. Step 3: Cross multiply
    465,787.64x = 642,684.30 × 296,270.84
  4. Step 4: Simplify right side
    465,787.64x = 190,408,617,415.81
  5. Step 5: Solve for x
    x = 190,408,617,415.81/465,787.64
  6. Step 6: Final answer
    x = 408,788.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.