Home / 668,384.80-1,002,636.34-188,616.84

Finding the Fourth Proportional to 668,384.80, 1,002,636.34 and 188,616.84

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Solution

The fourth proportional to 668,384.80, 1,002,636.34 and 188,616.84 is: 282,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,384.80 : 1,002,636.34 = 188,616.84 : x
  2. Step 2: Convert to fraction form
    668,384.80/1,002,636.34 = 188,616.84/x
  3. Step 3: Cross multiply
    668,384.80x = 1,002,636.34 × 188,616.84
  4. Step 4: Simplify right side
    668,384.80x = 189,114,098,119.97
  5. Step 5: Solve for x
    x = 189,114,098,119.97/668,384.80
  6. Step 6: Final answer
    x = 282,941.95

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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.