Home / 774,782.10-1,161,507.48-269,277.42

Finding the Fourth Proportional to 774,782.10, 1,161,507.48 and 269,277.42

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Solution

The fourth proportional to 774,782.10, 1,161,507.48 and 269,277.42 is: 403,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,782.10 : 1,161,507.48 = 269,277.42 : x
  2. Step 2: Convert to fraction form
    774,782.10/1,161,507.48 = 269,277.42/x
  3. Step 3: Cross multiply
    774,782.10x = 1,161,507.48 × 269,277.42
  4. Step 4: Simplify right side
    774,782.10x = 312,767,737,525.10
  5. Step 5: Solve for x
    x = 312,767,737,525.10/774,782.10
  6. Step 6: Final answer
    x = 403,684.77

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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.