Home / 694,699.79-1,042,030.25-221,413.55

Finding the Fourth Proportional to 694,699.79, 1,042,030.25 and 221,413.55

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Solution

The fourth proportional to 694,699.79, 1,042,030.25 and 221,413.55 is: 332,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,699.79 : 1,042,030.25 = 221,413.55 : x
  2. Step 2: Convert to fraction form
    694,699.79/1,042,030.25 = 221,413.55/x
  3. Step 3: Cross multiply
    694,699.79x = 1,042,030.25 × 221,413.55
  4. Step 4: Simplify right side
    694,699.79x = 230,719,615,752.82
  5. Step 5: Solve for x
    x = 230,719,615,752.82/694,699.79
  6. Step 6: Final answer
    x = 332,114.13

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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.