Home / 899,927-1,241,911.04-492,029.31

Finding the Fourth Proportional to 899,927, 1,241,911.04 and 492,029.31

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Solution

The fourth proportional to 899,927, 1,241,911.04 and 492,029.31 is: 679,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,927 : 1,241,911.04 = 492,029.31 : x
  2. Step 2: Convert to fraction form
    899,927/1,241,911.04 = 492,029.31/x
  3. Step 3: Cross multiply
    899,927x = 1,241,911.04 × 492,029.31
  4. Step 4: Simplify right side
    899,927x = 611,056,632,092.58
  5. Step 5: Solve for x
    x = 611,056,632,092.58/899,927
  6. Step 6: Final answer
    x = 679,006.89

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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.