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Finding the Fourth Proportional to 608,655, 912,804 and 229,302

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Solution

The fourth proportional to 608,655, 912,804 and 229,302 is: 343,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,655 : 912,804 = 229,302 : x
  2. Step 2: Convert to fraction form
    608,655/912,804 = 229,302/x
  3. Step 3: Cross multiply
    608,655x = 912,804 × 229,302
  4. Step 4: Simplify right side
    608,655x = 209,307,782,808
  5. Step 5: Solve for x
    x = 209,307,782,808/608,655
  6. Step 6: Final answer
    x = 343,885.75

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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.