Home / 791,969.84-1,092,981.48-447,878.24

Finding the Fourth Proportional to 791,969.84, 1,092,981.48 and 447,878.24

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Solution

The fourth proportional to 791,969.84, 1,092,981.48 and 447,878.24 is: 618,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,969.84 : 1,092,981.48 = 447,878.24 : x
  2. Step 2: Convert to fraction form
    791,969.84/1,092,981.48 = 447,878.24/x
  3. Step 3: Cross multiply
    791,969.84x = 1,092,981.48 × 447,878.24
  4. Step 4: Simplify right side
    791,969.84x = 489,522,621,615.00
  5. Step 5: Solve for x
    x = 489,522,621,615.00/791,969.84
  6. Step 6: Final answer
    x = 618,107.66

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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.