Home / 690,729.50-1,036,684.74-270,300.62

Finding the Fourth Proportional to 690,729.50, 1,036,684.74 and 270,300.62

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Solution

The fourth proportional to 690,729.50, 1,036,684.74 and 270,300.62 is: 405,682.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,729.50 : 1,036,684.74 = 270,300.62 : x
  2. Step 2: Convert to fraction form
    690,729.50/1,036,684.74 = 270,300.62/x
  3. Step 3: Cross multiply
    690,729.50x = 1,036,684.74 × 270,300.62
  4. Step 4: Simplify right side
    690,729.50x = 280,216,527,966.54
  5. Step 5: Solve for x
    x = 280,216,527,966.54/690,729.50
  6. Step 6: Final answer
    x = 405,682.00

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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.