Home / 808,781.47-1,116,110.72-446,208.26

Finding the Fourth Proportional to 808,781.47, 1,116,110.72 and 446,208.26

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Solution

The fourth proportional to 808,781.47, 1,116,110.72 and 446,208.26 is: 615,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,781.47 : 1,116,110.72 = 446,208.26 : x
  2. Step 2: Convert to fraction form
    808,781.47/1,116,110.72 = 446,208.26/x
  3. Step 3: Cross multiply
    808,781.47x = 1,116,110.72 × 446,208.26
  4. Step 4: Simplify right side
    808,781.47x = 498,017,817,873.51
  5. Step 5: Solve for x
    x = 498,017,817,873.51/808,781.47
  6. Step 6: Final answer
    x = 615,763.14

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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.