Home / 920,308.26-1,379,299.23-414,330.42

Finding the Fourth Proportional to 920,308.26, 1,379,299.23 and 414,330.42

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Solution

The fourth proportional to 920,308.26, 1,379,299.23 and 414,330.42 is: 620,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,308.26 : 1,379,299.23 = 414,330.42 : x
  2. Step 2: Convert to fraction form
    920,308.26/1,379,299.23 = 414,330.42/x
  3. Step 3: Cross multiply
    920,308.26x = 1,379,299.23 × 414,330.42
  4. Step 4: Simplify right side
    920,308.26x = 571,485,629,271.58
  5. Step 5: Solve for x
    x = 571,485,629,271.58/920,308.26
  6. Step 6: Final answer
    x = 620,971.97

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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.