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Finding the Fourth Proportional to 594,861.58, 820,822.32 and 340,163.56

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Solution

The fourth proportional to 594,861.58, 820,822.32 and 340,163.56 is: 469,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,861.58 : 820,822.32 = 340,163.56 : x
  2. Step 2: Convert to fraction form
    594,861.58/820,822.32 = 340,163.56/x
  3. Step 3: Cross multiply
    594,861.58x = 820,822.32 × 340,163.56
  4. Step 4: Simplify right side
    594,861.58x = 279,213,842,498.66
  5. Step 5: Solve for x
    x = 279,213,842,498.66/594,861.58
  6. Step 6: Final answer
    x = 469,376.16

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1.5x scale

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.