Home / 918,791.61-1,267,830.94-551,249.25

Finding the Fourth Proportional to 918,791.61, 1,267,830.94 and 551,249.25

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Solution

The fourth proportional to 918,791.61, 1,267,830.94 and 551,249.25 is: 760,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,791.61 : 1,267,830.94 = 551,249.25 : x
  2. Step 2: Convert to fraction form
    918,791.61/1,267,830.94 = 551,249.25/x
  3. Step 3: Cross multiply
    918,791.61x = 1,267,830.94 × 551,249.25
  4. Step 4: Simplify right side
    918,791.61x = 698,890,854,801.80
  5. Step 5: Solve for x
    x = 698,890,854,801.80/918,791.61
  6. Step 6: Final answer
    x = 760,663.08

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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.