Home / 852,119.04-1,176,028.42-489,542.22

Finding the Fourth Proportional to 852,119.04, 1,176,028.42 and 489,542.22

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Solution

The fourth proportional to 852,119.04, 1,176,028.42 and 489,542.22 is: 675,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,119.04 : 1,176,028.42 = 489,542.22 : x
  2. Step 2: Convert to fraction form
    852,119.04/1,176,028.42 = 489,542.22/x
  3. Step 3: Cross multiply
    852,119.04x = 1,176,028.42 × 489,542.22
  4. Step 4: Simplify right side
    852,119.04x = 575,715,563,509.89
  5. Step 5: Solve for x
    x = 575,715,563,509.89/852,119.04
  6. Step 6: Final answer
    x = 675,628.09

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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.