Home / 827,260.94-1,240,892.38-258,645.02

Finding the Fourth Proportional to 827,260.94, 1,240,892.38 and 258,645.02

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Solution

The fourth proportional to 827,260.94, 1,240,892.38 and 258,645.02 is: 387,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,260.94 : 1,240,892.38 = 258,645.02 : x
  2. Step 2: Convert to fraction form
    827,260.94/1,240,892.38 = 258,645.02/x
  3. Step 3: Cross multiply
    827,260.94x = 1,240,892.38 × 258,645.02
  4. Step 4: Simplify right side
    827,260.94x = 320,950,634,442.95
  5. Step 5: Solve for x
    x = 320,950,634,442.95/827,260.94
  6. Step 6: Final answer
    x = 387,967.84

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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.