Home / 705,803.66-1,058,110.17-306,143.38

Finding the Fourth Proportional to 705,803.66, 1,058,110.17 and 306,143.38

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Solution

The fourth proportional to 705,803.66, 1,058,110.17 and 306,143.38 is: 458,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,803.66 : 1,058,110.17 = 306,143.38 : x
  2. Step 2: Convert to fraction form
    705,803.66/1,058,110.17 = 306,143.38/x
  3. Step 3: Cross multiply
    705,803.66x = 1,058,110.17 × 306,143.38
  4. Step 4: Simplify right side
    705,803.66x = 323,933,423,856.18
  5. Step 5: Solve for x
    x = 323,933,423,856.18/705,803.66
  6. Step 6: Final answer
    x = 458,956.85

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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.