Finding the Fourth Proportional to 614,986.21, 848,988.21 and 382,488.09
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Solution
The fourth proportional to 614,986.21, 848,988.21 and 382,488.09 is: 528,024.65
Step by Step Solution
- Step 1: Write the proportion equation
614,986.21 : 848,988.21 = 382,488.09 : x - Step 2: Convert to fraction form
614,986.21/848,988.21 = 382,488.09/x - Step 3: Cross multiply
614,986.21x = 848,988.21 × 382,488.09 - Step 4: Simplify right side
614,986.21x = 324,727,876,588.17 - Step 5: Solve for x
x = 324,727,876,588.17/614,986.21 - Step 6: Final answer
x = 528,024.65
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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.