Home / 766,229.78-1,148,748.25-495,786.50

Finding the Fourth Proportional to 766,229.78, 1,148,748.25 and 495,786.50

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Solution

The fourth proportional to 766,229.78, 1,148,748.25 and 495,786.50 is: 743,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,229.78 : 1,148,748.25 = 495,786.50 : x
  2. Step 2: Convert to fraction form
    766,229.78/1,148,748.25 = 495,786.50/x
  3. Step 3: Cross multiply
    766,229.78x = 1,148,748.25 × 495,786.50
  4. Step 4: Simplify right side
    766,229.78x = 569,533,874,248.63
  5. Step 5: Solve for x
    x = 569,533,874,248.63/766,229.78
  6. Step 6: Final answer
    x = 743,293.84

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1.5x scale

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.