Home / 808,252.68-1,115,367.06-445,670.40

Finding the Fourth Proportional to 808,252.68, 1,115,367.06 and 445,670.40

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Solution

The fourth proportional to 808,252.68, 1,115,367.06 and 445,670.40 is: 615,013.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,252.68 : 1,115,367.06 = 445,670.40 : x
  2. Step 2: Convert to fraction form
    808,252.68/1,115,367.06 = 445,670.40/x
  3. Step 3: Cross multiply
    808,252.68x = 1,115,367.06 × 445,670.40
  4. Step 4: Simplify right side
    808,252.68x = 497,086,083,777.02
  5. Step 5: Solve for x
    x = 497,086,083,777.02/808,252.68
  6. Step 6: Final answer
    x = 615,013.22

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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.