Home / 608,636.20-839,942.66-336,699.40

Finding the Fourth Proportional to 608,636.20, 839,942.66 and 336,699.40

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Solution

The fourth proportional to 608,636.20, 839,942.66 and 336,699.40 is: 464,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,636.20 : 839,942.66 = 336,699.40 : x
  2. Step 2: Convert to fraction form
    608,636.20/839,942.66 = 336,699.40/x
  3. Step 3: Cross multiply
    608,636.20x = 839,942.66 × 336,699.40
  4. Step 4: Simplify right side
    608,636.20x = 282,808,189,656.40
  5. Step 5: Solve for x
    x = 282,808,189,656.40/608,636.20
  6. Step 6: Final answer
    x = 464,658.84

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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.