Home / 799,905.28-1,200,447.36-379,179.52

Finding the Fourth Proportional to 799,905.28, 1,200,447.36 and 379,179.52

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Solution

The fourth proportional to 799,905.28, 1,200,447.36 and 379,179.52 is: 569,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,905.28 : 1,200,447.36 = 379,179.52 : x
  2. Step 2: Convert to fraction form
    799,905.28/1,200,447.36 = 379,179.52/x
  3. Step 3: Cross multiply
    799,905.28x = 1,200,447.36 × 379,179.52
  4. Step 4: Simplify right side
    799,905.28x = 455,185,053,750.07
  5. Step 5: Solve for x
    x = 455,185,053,750.07/799,905.28
  6. Step 6: Final answer
    x = 569,048.69

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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.