Home / 694,699.76-1,042,030.20-221,413.52

Finding the Fourth Proportional to 694,699.76, 1,042,030.20 and 221,413.52

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Solution

The fourth proportional to 694,699.76, 1,042,030.20 and 221,413.52 is: 332,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,699.76 : 1,042,030.20 = 221,413.52 : x
  2. Step 2: Convert to fraction form
    694,699.76/1,042,030.20 = 221,413.52/x
  3. Step 3: Cross multiply
    694,699.76x = 1,042,030.20 × 221,413.52
  4. Step 4: Simplify right side
    694,699.76x = 230,719,572,810.62
  5. Step 5: Solve for x
    x = 230,719,572,810.62/694,699.76
  6. Step 6: Final answer
    x = 332,114.08

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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.