Home / 808,066.47-1,115,127.68-445,489.23

Finding the Fourth Proportional to 808,066.47, 1,115,127.68 and 445,489.23

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Solution

The fourth proportional to 808,066.47, 1,115,127.68 and 445,489.23 is: 614,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,066.47 : 1,115,127.68 = 445,489.23 : x
  2. Step 2: Convert to fraction form
    808,066.47/1,115,127.68 = 445,489.23/x
  3. Step 3: Cross multiply
    808,066.47x = 1,115,127.68 × 445,489.23
  4. Step 4: Simplify right side
    808,066.47x = 496,777,369,287.44
  5. Step 5: Solve for x
    x = 496,777,369,287.44/808,066.47
  6. Step 6: Final answer
    x = 614,772.90

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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.