Home / 809,291.46-1,116,822.27-446,715.42

Finding the Fourth Proportional to 809,291.46, 1,116,822.27 and 446,715.42

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Solution

The fourth proportional to 809,291.46, 1,116,822.27 and 446,715.42 is: 616,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,291.46 : 1,116,822.27 = 446,715.42 : x
  2. Step 2: Convert to fraction form
    809,291.46/1,116,822.27 = 446,715.42/x
  3. Step 3: Cross multiply
    809,291.46x = 1,116,822.27 × 446,715.42
  4. Step 4: Simplify right side
    809,291.46x = 498,901,729,408.40
  5. Step 5: Solve for x
    x = 498,901,729,408.40/809,291.46
  6. Step 6: Final answer
    x = 616,467.31

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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.