Home / 884,483.20-1,326,400.80-285,601.60

Finding the Fourth Proportional to 884,483.20, 1,326,400.80 and 285,601.60

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Solution

The fourth proportional to 884,483.20, 1,326,400.80 and 285,601.60 is: 428,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,483.20 : 1,326,400.80 = 285,601.60 : x
  2. Step 2: Convert to fraction form
    884,483.20/1,326,400.80 = 285,601.60/x
  3. Step 3: Cross multiply
    884,483.20x = 1,326,400.80 × 285,601.60
  4. Step 4: Simplify right side
    884,483.20x = 378,822,190,721.28
  5. Step 5: Solve for x
    x = 378,822,190,721.28/884,483.20
  6. Step 6: Final answer
    x = 428,297.78

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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.