Home / 808,276.26-1,115,414.37-445,715.40

Finding the Fourth Proportional to 808,276.26, 1,115,414.37 and 445,715.40

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Solution

The fourth proportional to 808,276.26, 1,115,414.37 and 445,715.40 is: 615,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,276.26 : 1,115,414.37 = 445,715.40 : x
  2. Step 2: Convert to fraction form
    808,276.26/1,115,414.37 = 445,715.40/x
  3. Step 3: Cross multiply
    808,276.26x = 1,115,414.37 × 445,715.40
  4. Step 4: Simplify right side
    808,276.26x = 497,157,362,090.30
  5. Step 5: Solve for x
    x = 497,157,362,090.30/808,276.26
  6. Step 6: Final answer
    x = 615,083.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.