Home / 915,413.54-1,372,932.62-346,598.39

Finding the Fourth Proportional to 915,413.54, 1,372,932.62 and 346,598.39

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Solution

The fourth proportional to 915,413.54, 1,372,932.62 and 346,598.39 is: 519,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,413.54 : 1,372,932.62 = 346,598.39 : x
  2. Step 2: Convert to fraction form
    915,413.54/1,372,932.62 = 346,598.39/x
  3. Step 3: Cross multiply
    915,413.54x = 1,372,932.62 × 346,598.39
  4. Step 4: Simplify right side
    915,413.54x = 475,856,238,669.57
  5. Step 5: Solve for x
    x = 475,856,238,669.57/915,413.54
  6. Step 6: Final answer
    x = 519,826.53

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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.