Finding the Fourth Proportional to 900,884.24, 1,243,220.38 and 492,986.18
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Solution
The fourth proportional to 900,884.24, 1,243,220.38 and 492,986.18 is: 680,321.00
Step by Step Solution
- Step 1: Write the proportion equation
900,884.24 : 1,243,220.38 = 492,986.18 : x - Step 2: Convert to fraction form
900,884.24/1,243,220.38 = 492,986.18/x - Step 3: Cross multiply
900,884.24x = 1,243,220.38 × 492,986.18 - Step 4: Simplify right side
900,884.24x = 612,890,467,909.93 - Step 5: Solve for x
x = 612,890,467,909.93/900,884.24 - Step 6: Final answer
x = 680,321.00
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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.