Home / 705,861.52-1,058,832.64-200,382.96

Finding the Fourth Proportional to 705,861.52, 1,058,832.64 and 200,382.96

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Solution

The fourth proportional to 705,861.52, 1,058,832.64 and 200,382.96 is: 300,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,861.52 : 1,058,832.64 = 200,382.96 : x
  2. Step 2: Convert to fraction form
    705,861.52/1,058,832.64 = 200,382.96/x
  3. Step 3: Cross multiply
    705,861.52x = 1,058,832.64 × 200,382.96
  4. Step 4: Simplify right side
    705,861.52x = 212,172,018,547.81
  5. Step 5: Solve for x
    x = 212,172,018,547.81/705,861.52
  6. Step 6: Final answer
    x = 300,585.90

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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.