Home / 808,781.85-1,116,111.24-446,208.63

Finding the Fourth Proportional to 808,781.85, 1,116,111.24 and 446,208.63

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Solution

The fourth proportional to 808,781.85, 1,116,111.24 and 446,208.63 is: 615,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,781.85 : 1,116,111.24 = 446,208.63 : x
  2. Step 2: Convert to fraction form
    808,781.85/1,116,111.24 = 446,208.63/x
  3. Step 3: Cross multiply
    808,781.85x = 1,116,111.24 × 446,208.63
  4. Step 4: Simplify right side
    808,781.85x = 498,018,467,328.00
  5. Step 5: Solve for x
    x = 498,018,467,328.00/808,781.85
  6. Step 6: Final answer
    x = 615,763.65

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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.