Home / 774,352.50-1,161,572.49-275,716.50

Finding the Fourth Proportional to 774,352.50, 1,161,572.49 and 275,716.50

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Solution

The fourth proportional to 774,352.50, 1,161,572.49 and 275,716.50 is: 413,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,352.50 : 1,161,572.49 = 275,716.50 : x
  2. Step 2: Convert to fraction form
    774,352.50/1,161,572.49 = 275,716.50/x
  3. Step 3: Cross multiply
    774,352.50x = 1,161,572.49 × 275,716.50
  4. Step 4: Simplify right side
    774,352.50x = 320,264,701,439.09
  5. Step 5: Solve for x
    x = 320,264,701,439.09/774,352.50
  6. Step 6: Final answer
    x = 413,590.32

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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.