Home / 929,449.80-1,394,369.10-298,427.40

Finding the Fourth Proportional to 929,449.80, 1,394,369.10 and 298,427.40

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Solution

The fourth proportional to 929,449.80, 1,394,369.10 and 298,427.40 is: 447,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,449.80 : 1,394,369.10 = 298,427.40 : x
  2. Step 2: Convert to fraction form
    929,449.80/1,394,369.10 = 298,427.40/x
  3. Step 3: Cross multiply
    929,449.80x = 1,394,369.10 × 298,427.40
  4. Step 4: Simplify right side
    929,449.80x = 416,117,945,153.34
  5. Step 5: Solve for x
    x = 416,117,945,153.34/929,449.80
  6. Step 6: Final answer
    x = 447,703.52

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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.