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Finding the Fourth Proportional to 632,186.70, 948,280.05 and 628,250.10

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Solution

The fourth proportional to 632,186.70, 948,280.05 and 628,250.10 is: 942,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,186.70 : 948,280.05 = 628,250.10 : x
  2. Step 2: Convert to fraction form
    632,186.70/948,280.05 = 628,250.10/x
  3. Step 3: Cross multiply
    632,186.70x = 948,280.05 × 628,250.10
  4. Step 4: Simplify right side
    632,186.70x = 595,757,036,240.51
  5. Step 5: Solve for x
    x = 595,757,036,240.51/632,186.70
  6. Step 6: Final answer
    x = 942,375.15

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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.