Home / 808,949.09-1,116,348.44-446,372.66

Finding the Fourth Proportional to 808,949.09, 1,116,348.44 and 446,372.66

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Solution

The fourth proportional to 808,949.09, 1,116,348.44 and 446,372.66 is: 615,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,949.09 : 1,116,348.44 = 446,372.66 : x
  2. Step 2: Convert to fraction form
    808,949.09/1,116,348.44 = 446,372.66/x
  3. Step 3: Cross multiply
    808,949.09x = 1,116,348.44 × 446,372.66
  4. Step 4: Simplify right side
    808,949.09x = 498,307,423,208.66
  5. Step 5: Solve for x
    x = 498,307,423,208.66/808,949.09
  6. Step 6: Final answer
    x = 615,993.55

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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.