Home / 786,138.73-1,084,556.44-495,654.77

Finding the Fourth Proportional to 786,138.73, 1,084,556.44 and 495,654.77

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Solution

The fourth proportional to 786,138.73, 1,084,556.44 and 495,654.77 is: 683,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,138.73 : 1,084,556.44 = 495,654.77 : x
  2. Step 2: Convert to fraction form
    786,138.73/1,084,556.44 = 495,654.77/x
  3. Step 3: Cross multiply
    786,138.73x = 1,084,556.44 × 495,654.77
  4. Step 4: Simplify right side
    786,138.73x = 537,565,572,820.22
  5. Step 5: Solve for x
    x = 537,565,572,820.22/786,138.73
  6. Step 6: Final answer
    x = 683,804.97

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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.