Home / 784,375.11-1,082,424.20-440,219.07

Finding the Fourth Proportional to 784,375.11, 1,082,424.20 and 440,219.07

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Solution

The fourth proportional to 784,375.11, 1,082,424.20 and 440,219.07 is: 607,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,375.11 : 1,082,424.20 = 440,219.07 : x
  2. Step 2: Convert to fraction form
    784,375.11/1,082,424.20 = 440,219.07/x
  3. Step 3: Cross multiply
    784,375.11x = 1,082,424.20 × 440,219.07
  4. Step 4: Simplify right side
    784,375.11x = 476,503,772,468.40
  5. Step 5: Solve for x
    x = 476,503,772,468.40/784,375.11
  6. Step 6: Final answer
    x = 607,494.76

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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.