Home / 893,642.39-1,233,235.27-485,743.98

Finding the Fourth Proportional to 893,642.39, 1,233,235.27 and 485,743.98

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Solution

The fourth proportional to 893,642.39, 1,233,235.27 and 485,743.98 is: 670,331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,642.39 : 1,233,235.27 = 485,743.98 : x
  2. Step 2: Convert to fraction form
    893,642.39/1,233,235.27 = 485,743.98/x
  3. Step 3: Cross multiply
    893,642.39x = 1,233,235.27 × 485,743.98
  4. Step 4: Simplify right side
    893,642.39x = 599,036,608,326.18
  5. Step 5: Solve for x
    x = 599,036,608,326.18/893,642.39
  6. Step 6: Final answer
    x = 670,331.46

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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.