Home / 684,745.86-1,027,119.21-258,165.84

Finding the Fourth Proportional to 684,745.86, 1,027,119.21 and 258,165.84

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Solution

The fourth proportional to 684,745.86, 1,027,119.21 and 258,165.84 is: 387,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,745.86 : 1,027,119.21 = 258,165.84 : x
  2. Step 2: Convert to fraction form
    684,745.86/1,027,119.21 = 258,165.84/x
  3. Step 3: Cross multiply
    684,745.86x = 1,027,119.21 × 258,165.84
  4. Step 4: Simplify right side
    684,745.86x = 265,167,093,629.79
  5. Step 5: Solve for x
    x = 265,167,093,629.79/684,745.86
  6. Step 6: Final answer
    x = 387,248.92

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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.