Home / 808,782.85-1,116,112.62-446,209.63

Finding the Fourth Proportional to 808,782.85, 1,116,112.62 and 446,209.63

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Solution

The fourth proportional to 808,782.85, 1,116,112.62 and 446,209.63 is: 615,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,782.85 : 1,116,112.62 = 446,209.63 : x
  2. Step 2: Convert to fraction form
    808,782.85/1,116,112.62 = 446,209.63/x
  3. Step 3: Cross multiply
    808,782.85x = 1,116,112.62 × 446,209.63
  4. Step 4: Simplify right side
    808,782.85x = 498,020,199,208.53
  5. Step 5: Solve for x
    x = 498,020,199,208.53/808,782.85
  6. Step 6: Final answer
    x = 615,765.03

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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.