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Finding the Fourth Proportional to 578,652.46, 800,064.17 and 506,826.39

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Solution

The fourth proportional to 578,652.46, 800,064.17 and 506,826.39 is: 700,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,652.46 : 800,064.17 = 506,826.39 : x
  2. Step 2: Convert to fraction form
    578,652.46/800,064.17 = 506,826.39/x
  3. Step 3: Cross multiply
    578,652.46x = 800,064.17 × 506,826.39
  4. Step 4: Simplify right side
    578,652.46x = 405,493,635,049.45
  5. Step 5: Solve for x
    x = 405,493,635,049.45/578,652.46
  6. Step 6: Final answer
    x = 700,755.05

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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.