Home / 774,381.82-1,159,085.58-413,650.66

Finding the Fourth Proportional to 774,381.82, 1,159,085.58 and 413,650.66

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Solution

The fourth proportional to 774,381.82, 1,159,085.58 and 413,650.66 is: 619,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,381.82 : 1,159,085.58 = 413,650.66 : x
  2. Step 2: Convert to fraction form
    774,381.82/1,159,085.58 = 413,650.66/x
  3. Step 3: Cross multiply
    774,381.82x = 1,159,085.58 × 413,650.66
  4. Step 4: Simplify right side
    774,381.82x = 479,456,515,163.48
  5. Step 5: Solve for x
    x = 479,456,515,163.48/774,381.82
  6. Step 6: Final answer
    x = 619,147.43

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1.5x scale

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.