Home / 642,054.70-962,390.85-242,541.10

Finding the Fourth Proportional to 642,054.70, 962,390.85 and 242,541.10

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Solution

The fourth proportional to 642,054.70, 962,390.85 and 242,541.10 is: 363,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,054.70 : 962,390.85 = 242,541.10 : x
  2. Step 2: Convert to fraction form
    642,054.70/962,390.85 = 242,541.10/x
  3. Step 3: Cross multiply
    642,054.70x = 962,390.85 × 242,541.10
  4. Step 4: Simplify right side
    642,054.70x = 233,419,335,388.94
  5. Step 5: Solve for x
    x = 233,419,335,388.94/642,054.70
  6. Step 6: Final answer
    x = 363,550.54

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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.