Home / 620,845.56-856,574.33-362,536.18

Finding the Fourth Proportional to 620,845.56, 856,574.33 and 362,536.18

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Solution

The fourth proportional to 620,845.56, 856,574.33 and 362,536.18 is: 500,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,845.56 : 856,574.33 = 362,536.18 : x
  2. Step 2: Convert to fraction form
    620,845.56/856,574.33 = 362,536.18/x
  3. Step 3: Cross multiply
    620,845.56x = 856,574.33 × 362,536.18
  4. Step 4: Simplify right side
    620,845.56x = 310,539,180,295.05
  5. Step 5: Solve for x
    x = 310,539,180,295.05/620,845.56
  6. Step 6: Final answer
    x = 500,187.48

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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.