Home / 646,625.45-892,261.19-374,690.81

Finding the Fourth Proportional to 646,625.45, 892,261.19 and 374,690.81

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Solution

The fourth proportional to 646,625.45, 892,261.19 and 374,690.81 is: 517,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,625.45 : 892,261.19 = 374,690.81 : x
  2. Step 2: Convert to fraction form
    646,625.45/892,261.19 = 374,690.81/x
  3. Step 3: Cross multiply
    646,625.45x = 892,261.19 × 374,690.81
  4. Step 4: Simplify right side
    646,625.45x = 334,322,066,139.21
  5. Step 5: Solve for x
    x = 334,322,066,139.21/646,625.45
  6. Step 6: Final answer
    x = 517,025.84

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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.