Home / 808,007.94-1,115,000.88-445,413.06

Finding the Fourth Proportional to 808,007.94, 1,115,000.88 and 445,413.06

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Solution

The fourth proportional to 808,007.94, 1,115,000.88 and 445,413.06 is: 614,642.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,007.94 : 1,115,000.88 = 445,413.06 : x
  2. Step 2: Convert to fraction form
    808,007.94/1,115,000.88 = 445,413.06/x
  3. Step 3: Cross multiply
    808,007.94x = 1,115,000.88 × 445,413.06
  4. Step 4: Simplify right side
    808,007.94x = 496,635,953,863.49
  5. Step 5: Solve for x
    x = 496,635,953,863.49/808,007.94
  6. Step 6: Final answer
    x = 614,642.42

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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.