Home / 852,806.48-1,176,976.14-485,372.95

Finding the Fourth Proportional to 852,806.48, 1,176,976.14 and 485,372.95

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Solution

The fourth proportional to 852,806.48, 1,176,976.14 and 485,372.95 is: 669,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,806.48 : 1,176,976.14 = 485,372.95 : x
  2. Step 2: Convert to fraction form
    852,806.48/1,176,976.14 = 485,372.95/x
  3. Step 3: Cross multiply
    852,806.48x = 1,176,976.14 × 485,372.95
  4. Step 4: Simplify right side
    852,806.48x = 571,272,383,009.32
  5. Step 5: Solve for x
    x = 571,272,383,009.32/852,806.48
  6. Step 6: Final answer
    x = 669,873.41

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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.