Finding the Fourth Proportional to 911,544.84, 1,257,867.23 and 503,642.21
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Solution
The fourth proportional to 911,544.84, 1,257,867.23 and 503,642.21 is: 694,990.52
Step by Step Solution
- Step 1: Write the proportion equation
911,544.84 : 1,257,867.23 = 503,642.21 : x - Step 2: Convert to fraction form
911,544.84/1,257,867.23 = 503,642.21/x - Step 3: Cross multiply
911,544.84x = 1,257,867.23 × 503,642.21 - Step 4: Simplify right side
911,544.84x = 633,515,022,796.23 - Step 5: Solve for x
x = 633,515,022,796.23/911,544.84 - Step 6: Final answer
x = 694,990.52
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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.