Home / 684,902.96-1,027,529.70-400,832.72

Finding the Fourth Proportional to 684,902.96, 1,027,529.70 and 400,832.72

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Solution

The fourth proportional to 684,902.96, 1,027,529.70 and 400,832.72 is: 601,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,902.96 : 1,027,529.70 = 400,832.72 : x
  2. Step 2: Convert to fraction form
    684,902.96/1,027,529.70 = 400,832.72/x
  3. Step 3: Cross multiply
    684,902.96x = 1,027,529.70 × 400,832.72
  4. Step 4: Simplify right side
    684,902.96x = 411,867,524,531.78
  5. Step 5: Solve for x
    x = 411,867,524,531.78/684,902.96
  6. Step 6: Final answer
    x = 601,351.65

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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.