Home / 723,311.40-1,082,838.72-482,828.80

Finding the Fourth Proportional to 723,311.40, 1,082,838.72 and 482,828.80

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Solution

The fourth proportional to 723,311.40, 1,082,838.72 and 482,828.80 is: 722,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,311.40 : 1,082,838.72 = 482,828.80 : x
  2. Step 2: Convert to fraction form
    723,311.40/1,082,838.72 = 482,828.80/x
  3. Step 3: Cross multiply
    723,311.40x = 1,082,838.72 × 482,828.80
  4. Step 4: Simplify right side
    723,311.40x = 522,825,719,771.14
  5. Step 5: Solve for x
    x = 522,825,719,771.14/723,311.40
  6. Step 6: Final answer
    x = 722,822.45

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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.