Home / 856,145.09-1,181,477.27-493,567.22

Finding the Fourth Proportional to 856,145.09, 1,181,477.27 and 493,567.22

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Solution

The fourth proportional to 856,145.09, 1,181,477.27 and 493,567.22 is: 681,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,145.09 : 1,181,477.27 = 493,567.22 : x
  2. Step 2: Convert to fraction form
    856,145.09/1,181,477.27 = 493,567.22/x
  3. Step 3: Cross multiply
    856,145.09x = 1,181,477.27 × 493,567.22
  4. Step 4: Simplify right side
    856,145.09x = 583,138,449,179.25
  5. Step 5: Solve for x
    x = 583,138,449,179.25/856,145.09
  6. Step 6: Final answer
    x = 681,121.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.