Home / 774,774.14-1,161,495.61-269,269.45

Finding the Fourth Proportional to 774,774.14, 1,161,495.61 and 269,269.45

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Solution

The fourth proportional to 774,774.14, 1,161,495.61 and 269,269.45 is: 403,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,774.14 : 1,161,495.61 = 269,269.45 : x
  2. Step 2: Convert to fraction form
    774,774.14/1,161,495.61 = 269,269.45/x
  3. Step 3: Cross multiply
    774,774.14x = 1,161,495.61 × 269,269.45
  4. Step 4: Simplify right side
    774,774.14x = 312,755,280,505.20
  5. Step 5: Solve for x
    x = 312,755,280,505.20/774,774.14
  6. Step 6: Final answer
    x = 403,672.85

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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.