Home / 1,050,782.74-1,575,610.34-330,990

Finding the Fourth Proportional to 1,050,782.74, 1,575,610.34 and 330,990

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Solution

The fourth proportional to 1,050,782.74, 1,575,610.34 and 330,990 is: 496,307.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,782.74 : 1,575,610.34 = 330,990 : x
  2. Step 2: Convert to fraction form
    1,050,782.74/1,575,610.34 = 330,990/x
  3. Step 3: Cross multiply
    1,050,782.74x = 1,575,610.34 × 330,990
  4. Step 4: Simplify right side
    1,050,782.74x = 521,511,266,436.60
  5. Step 5: Solve for x
    x = 521,511,266,436.60/1,050,782.74
  6. Step 6: Final answer
    x = 496,307.42

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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.