Home / 733,847.38-1,012,711.20-428,133.94

Finding the Fourth Proportional to 733,847.38, 1,012,711.20 and 428,133.94

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Solution

The fourth proportional to 733,847.38, 1,012,711.20 and 428,133.94 is: 590,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,847.38 : 1,012,711.20 = 428,133.94 : x
  2. Step 2: Convert to fraction form
    733,847.38/1,012,711.20 = 428,133.94/x
  3. Step 3: Cross multiply
    733,847.38x = 1,012,711.20 × 428,133.94
  4. Step 4: Simplify right side
    733,847.38x = 433,576,036,138.13
  5. Step 5: Solve for x
    x = 433,576,036,138.13/733,847.38
  6. Step 6: Final answer
    x = 590,825.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.