Home / 677,767.86-1,015,990.77-322,686.54

Finding the Fourth Proportional to 677,767.86, 1,015,990.77 and 322,686.54

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Solution

The fourth proportional to 677,767.86, 1,015,990.77 and 322,686.54 is: 483,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,767.86 : 1,015,990.77 = 322,686.54 : x
  2. Step 2: Convert to fraction form
    677,767.86/1,015,990.77 = 322,686.54/x
  3. Step 3: Cross multiply
    677,767.86x = 1,015,990.77 × 322,686.54
  4. Step 4: Simplify right side
    677,767.86x = 327,846,546,243.24
  5. Step 5: Solve for x
    x = 327,846,546,243.24/677,767.86
  6. Step 6: Final answer
    x = 483,715.10

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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.