Home / 496,466.24-685,140.48-270,120.32

Finding the Fourth Proportional to 496,466.24, 685,140.48 and 270,120.32

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Solution

The fourth proportional to 496,466.24, 685,140.48 and 270,120.32 is: 372,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,466.24 : 685,140.48 = 270,120.32 : x
  2. Step 2: Convert to fraction form
    496,466.24/685,140.48 = 270,120.32/x
  3. Step 3: Cross multiply
    496,466.24x = 685,140.48 × 270,120.32
  4. Step 4: Simplify right side
    496,466.24x = 185,070,365,702.55
  5. Step 5: Solve for x
    x = 185,070,365,702.55/496,466.24
  6. Step 6: Final answer
    x = 372,775.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.