Home / 784,805.34-1,082,998.71-445,292.22

Finding the Fourth Proportional to 784,805.34, 1,082,998.71 and 445,292.22

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Solution

The fourth proportional to 784,805.34, 1,082,998.71 and 445,292.22 is: 614,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,805.34 : 1,082,998.71 = 445,292.22 : x
  2. Step 2: Convert to fraction form
    784,805.34/1,082,998.71 = 445,292.22/x
  3. Step 3: Cross multiply
    784,805.34x = 1,082,998.71 × 445,292.22
  4. Step 4: Simplify right side
    784,805.34x = 482,250,899,833.04
  5. Step 5: Solve for x
    x = 482,250,899,833.04/784,805.34
  6. Step 6: Final answer
    x = 614,484.73

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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.