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Finding the Fourth Proportional to 608,604.39, 912,989.66 and 253,535.37

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Solution

The fourth proportional to 608,604.39, 912,989.66 and 253,535.37 is: 380,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,604.39 : 912,989.66 = 253,535.37 : x
  2. Step 2: Convert to fraction form
    608,604.39/912,989.66 = 253,535.37/x
  3. Step 3: Cross multiply
    608,604.39x = 912,989.66 × 253,535.37
  4. Step 4: Simplify right side
    608,604.39x = 231,475,169,986.60
  5. Step 5: Solve for x
    x = 231,475,169,986.60/608,604.39
  6. Step 6: Final answer
    x = 380,337.66

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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.