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Finding the Fourth Proportional to 608,325.92, 839,495.20 and 336,412.10

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Solution

The fourth proportional to 608,325.92, 839,495.20 and 336,412.10 is: 464,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,325.92 : 839,495.20 = 336,412.10 : x
  2. Step 2: Convert to fraction form
    608,325.92/839,495.20 = 336,412.10/x
  3. Step 3: Cross multiply
    608,325.92x = 839,495.20 × 336,412.10
  4. Step 4: Simplify right side
    608,325.92x = 282,416,343,171.92
  5. Step 5: Solve for x
    x = 282,416,343,171.92/608,325.92
  6. Step 6: Final answer
    x = 464,251.70

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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.