Home / 948,944.46-1,423,416.68-387,847.74

Finding the Fourth Proportional to 948,944.46, 1,423,416.68 and 387,847.74

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Solution

The fourth proportional to 948,944.46, 1,423,416.68 and 387,847.74 is: 581,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,944.46 : 1,423,416.68 = 387,847.74 : x
  2. Step 2: Convert to fraction form
    948,944.46/1,423,416.68 = 387,847.74/x
  3. Step 3: Cross multiply
    948,944.46x = 1,423,416.68 × 387,847.74
  4. Step 4: Simplify right side
    948,944.46x = 552,068,942,416.30
  5. Step 5: Solve for x
    x = 552,068,942,416.30/948,944.46
  6. Step 6: Final answer
    x = 581,771.61

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Double scale
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Similar ratio
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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.