Home / 774,230.40-1,161,492.48-268,771.68

Finding the Fourth Proportional to 774,230.40, 1,161,492.48 and 268,771.68

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Solution

The fourth proportional to 774,230.40, 1,161,492.48 and 268,771.68 is: 403,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,230.40 : 1,161,492.48 = 268,771.68 : x
  2. Step 2: Convert to fraction form
    774,230.40/1,161,492.48 = 268,771.68/x
  3. Step 3: Cross multiply
    774,230.40x = 1,161,492.48 × 268,771.68
  4. Step 4: Simplify right side
    774,230.40x = 312,176,285,156.97
  5. Step 5: Solve for x
    x = 312,176,285,156.97/774,230.40
  6. Step 6: Final answer
    x = 403,208.51

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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.