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Finding the Fourth Proportional to 608,659, 912,810 and 229,306

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Solution

The fourth proportional to 608,659, 912,810 and 229,306 is: 343,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,659 : 912,810 = 229,306 : x
  2. Step 2: Convert to fraction form
    608,659/912,810 = 229,306/x
  3. Step 3: Cross multiply
    608,659x = 912,810 × 229,306
  4. Step 4: Simplify right side
    608,659x = 209,312,809,860
  5. Step 5: Solve for x
    x = 209,312,809,860/608,659
  6. Step 6: Final answer
    x = 343,891.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.