Home / 980,726.72-1,471,087.91-261,068.58

Finding the Fourth Proportional to 980,726.72, 1,471,087.91 and 261,068.58

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Solution

The fourth proportional to 980,726.72, 1,471,087.91 and 261,068.58 is: 391,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,726.72 : 1,471,087.91 = 261,068.58 : x
  2. Step 2: Convert to fraction form
    980,726.72/1,471,087.91 = 261,068.58/x
  3. Step 3: Cross multiply
    980,726.72x = 1,471,087.91 × 261,068.58
  4. Step 4: Simplify right side
    980,726.72x = 384,054,830,413.53
  5. Step 5: Solve for x
    x = 384,054,830,413.53/980,726.72
  6. Step 6: Final answer
    x = 391,602.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.