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Finding the Fourth Proportional to 608,861.70, 840,216.57 and 336,929.42

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Solution

The fourth proportional to 608,861.70, 840,216.57 and 336,929.42 is: 464,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,861.70 : 840,216.57 = 336,929.42 : x
  2. Step 2: Convert to fraction form
    608,861.70/840,216.57 = 336,929.42/x
  3. Step 3: Cross multiply
    608,861.70x = 840,216.57 × 336,929.42
  4. Step 4: Simplify right side
    608,861.70x = 283,093,681,604.49
  5. Step 5: Solve for x
    x = 283,093,681,604.49/608,861.70
  6. Step 6: Final answer
    x = 464,955.64

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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.