Home / 783,398.64-1,081,008.74-461,089.52

Finding the Fourth Proportional to 783,398.64, 1,081,008.74 and 461,089.52

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Solution

The fourth proportional to 783,398.64, 1,081,008.74 and 461,089.52 is: 636,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,398.64 : 1,081,008.74 = 461,089.52 : x
  2. Step 2: Convert to fraction form
    783,398.64/1,081,008.74 = 461,089.52/x
  3. Step 3: Cross multiply
    783,398.64x = 1,081,008.74 × 461,089.52
  4. Step 4: Simplify right side
    783,398.64x = 498,441,796,790.09
  5. Step 5: Solve for x
    x = 498,441,796,790.09/783,398.64
  6. Step 6: Final answer
    x = 636,255.63

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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.