Home / 628,375.04-942,738.24-207,946.88

Finding the Fourth Proportional to 628,375.04, 942,738.24 and 207,946.88

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Solution

The fourth proportional to 628,375.04, 942,738.24 and 207,946.88 is: 311,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,375.04 : 942,738.24 = 207,946.88 : x
  2. Step 2: Convert to fraction form
    628,375.04/942,738.24 = 207,946.88/x
  3. Step 3: Cross multiply
    628,375.04x = 942,738.24 × 207,946.88
  4. Step 4: Simplify right side
    628,375.04x = 196,039,475,664.69
  5. Step 5: Solve for x
    x = 196,039,475,664.69/628,375.04
  6. Step 6: Final answer
    x = 311,978.46

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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.