Home / 784,885.75-1,083,149.72-445,327.27

Finding the Fourth Proportional to 784,885.75, 1,083,149.72 and 445,327.27

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Solution

The fourth proportional to 784,885.75, 1,083,149.72 and 445,327.27 is: 614,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,885.75 : 1,083,149.72 = 445,327.27 : x
  2. Step 2: Convert to fraction form
    784,885.75/1,083,149.72 = 445,327.27/x
  3. Step 3: Cross multiply
    784,885.75x = 1,083,149.72 × 445,327.27
  4. Step 4: Simplify right side
    784,885.75x = 482,356,104,544.33
  5. Step 5: Solve for x
    x = 482,356,104,544.33/784,885.75
  6. Step 6: Final answer
    x = 614,555.82

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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.