Home / 830,492.76-1,245,620.88-261,800.04

Finding the Fourth Proportional to 830,492.76, 1,245,620.88 and 261,800.04

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Solution

The fourth proportional to 830,492.76, 1,245,620.88 and 261,800.04 is: 392,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,492.76 : 1,245,620.88 = 261,800.04 : x
  2. Step 2: Convert to fraction form
    830,492.76/1,245,620.88 = 261,800.04/x
  3. Step 3: Cross multiply
    830,492.76x = 1,245,620.88 × 261,800.04
  4. Step 4: Simplify right side
    830,492.76x = 326,103,596,208.84
  5. Step 5: Solve for x
    x = 326,103,596,208.84/830,492.76
  6. Step 6: Final answer
    x = 392,662.78

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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.