Home / 893,833.31-1,233,514.32-485,962.61

Finding the Fourth Proportional to 893,833.31, 1,233,514.32 and 485,962.61

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Solution

The fourth proportional to 893,833.31, 1,233,514.32 and 485,962.61 is: 670,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,833.31 : 1,233,514.32 = 485,962.61 : x
  2. Step 2: Convert to fraction form
    893,833.31/1,233,514.32 = 485,962.61/x
  3. Step 3: Cross multiply
    893,833.31x = 1,233,514.32 × 485,962.61
  4. Step 4: Simplify right side
    893,833.31x = 599,441,838,419.58
  5. Step 5: Solve for x
    x = 599,441,838,419.58/893,833.31
  6. Step 6: Final answer
    x = 670,641.64

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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.