Home / 769,814.80-1,154,722.20-237,288.40

Finding the Fourth Proportional to 769,814.80, 1,154,722.20 and 237,288.40

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Solution

The fourth proportional to 769,814.80, 1,154,722.20 and 237,288.40 is: 355,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,814.80 : 1,154,722.20 = 237,288.40 : x
  2. Step 2: Convert to fraction form
    769,814.80/1,154,722.20 = 237,288.40/x
  3. Step 3: Cross multiply
    769,814.80x = 1,154,722.20 × 237,288.40
  4. Step 4: Simplify right side
    769,814.80x = 274,002,183,282.48
  5. Step 5: Solve for x
    x = 274,002,183,282.48/769,814.80
  6. Step 6: Final answer
    x = 355,932.60

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1.5x scale

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.