Home / 852,271.36-1,176,200.87-489,821.67

Finding the Fourth Proportional to 852,271.36, 1,176,200.87 and 489,821.67

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Solution

The fourth proportional to 852,271.36, 1,176,200.87 and 489,821.67 is: 675,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,271.36 : 1,176,200.87 = 489,821.67 : x
  2. Step 2: Convert to fraction form
    852,271.36/1,176,200.87 = 489,821.67/x
  3. Step 3: Cross multiply
    852,271.36x = 1,176,200.87 × 489,821.67
  4. Step 4: Simplify right side
    852,271.36x = 576,128,671,949.75
  5. Step 5: Solve for x
    x = 576,128,671,949.75/852,271.36
  6. Step 6: Final answer
    x = 675,992.06

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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.