Home / 628,165.10-942,247.65-376,222.70

Finding the Fourth Proportional to 628,165.10, 942,247.65 and 376,222.70

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Solution

The fourth proportional to 628,165.10, 942,247.65 and 376,222.70 is: 564,334.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,165.10 : 942,247.65 = 376,222.70 : x
  2. Step 2: Convert to fraction form
    628,165.10/942,247.65 = 376,222.70/x
  3. Step 3: Cross multiply
    628,165.10x = 942,247.65 × 376,222.70
  4. Step 4: Simplify right side
    628,165.10x = 354,494,954,951.66
  5. Step 5: Solve for x
    x = 354,494,954,951.66/628,165.10
  6. Step 6: Final answer
    x = 564,334.05

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Similar ratio
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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.