Home / 987,376.92-1,362,585.19-551,801.54

Finding the Fourth Proportional to 987,376.92, 1,362,585.19 and 551,801.54

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Solution

The fourth proportional to 987,376.92, 1,362,585.19 and 551,801.54 is: 761,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,376.92 : 1,362,585.19 = 551,801.54 : x
  2. Step 2: Convert to fraction form
    987,376.92/1,362,585.19 = 551,801.54/x
  3. Step 3: Cross multiply
    987,376.92x = 1,362,585.19 × 551,801.54
  4. Step 4: Simplify right side
    987,376.92x = 751,876,605,452.51
  5. Step 5: Solve for x
    x = 751,876,605,452.51/987,376.92
  6. Step 6: Final answer
    x = 761,488.94

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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.