Home / 809,504.26-1,117,117.58-446,928.82

Finding the Fourth Proportional to 809,504.26, 1,117,117.58 and 446,928.82

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Solution

The fourth proportional to 809,504.26, 1,117,117.58 and 446,928.82 is: 616,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,504.26 : 1,117,117.58 = 446,928.82 : x
  2. Step 2: Convert to fraction form
    809,504.26/1,117,117.58 = 446,928.82/x
  3. Step 3: Cross multiply
    809,504.26x = 1,117,117.58 × 446,928.82
  4. Step 4: Simplify right side
    809,504.26x = 499,272,036,803.22
  5. Step 5: Solve for x
    x = 499,272,036,803.22/809,504.26
  6. Step 6: Final answer
    x = 616,762.71

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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.