Home / 820,234.40-1,230,697.20-446,525.60

Finding the Fourth Proportional to 820,234.40, 1,230,697.20 and 446,525.60

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Solution

The fourth proportional to 820,234.40, 1,230,697.20 and 446,525.60 is: 669,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,234.40 : 1,230,697.20 = 446,525.60 : x
  2. Step 2: Convert to fraction form
    820,234.40/1,230,697.20 = 446,525.60/x
  3. Step 3: Cross multiply
    820,234.40x = 1,230,697.20 × 446,525.60
  4. Step 4: Simplify right side
    820,234.40x = 549,537,805,648.32
  5. Step 5: Solve for x
    x = 549,537,805,648.32/820,234.40
  6. Step 6: Final answer
    x = 669,976.54

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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.