Home / 808,273.26-1,115,410.23-445,712.40

Finding the Fourth Proportional to 808,273.26, 1,115,410.23 and 445,712.40

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Solution

The fourth proportional to 808,273.26, 1,115,410.23 and 445,712.40 is: 615,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,273.26 : 1,115,410.23 = 445,712.40 : x
  2. Step 2: Convert to fraction form
    808,273.26/1,115,410.23 = 445,712.40/x
  3. Step 3: Cross multiply
    808,273.26x = 1,115,410.23 × 445,712.40
  4. Step 4: Simplify right side
    808,273.26x = 497,152,170,597.85
  5. Step 5: Solve for x
    x = 497,152,170,597.85/808,273.26
  6. Step 6: Final answer
    x = 615,079.32

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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.