Home / 808,540.07-1,115,790.57-445,973.73

Finding the Fourth Proportional to 808,540.07, 1,115,790.57 and 445,973.73

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Solution

The fourth proportional to 808,540.07, 1,115,790.57 and 445,973.73 is: 615,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,540.07 : 1,115,790.57 = 445,973.73 : x
  2. Step 2: Convert to fraction form
    808,540.07/1,115,790.57 = 445,973.73/x
  3. Step 3: Cross multiply
    808,540.07x = 1,115,790.57 × 445,973.73
  4. Step 4: Simplify right side
    808,540.07x = 497,613,282,401.73
  5. Step 5: Solve for x
    x = 497,613,282,401.73/808,540.07
  6. Step 6: Final answer
    x = 615,446.66

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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.