Finding the Fourth Proportional to 920,307.26, 1,379,297.73 and 414,329.42
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Solution
The fourth proportional to 920,307.26, 1,379,297.73 and 414,329.42 is: 620,970.47
Step by Step Solution
- Step 1: Write the proportion equation
920,307.26 : 1,379,297.73 = 414,329.42 : x - Step 2: Convert to fraction form
920,307.26/1,379,297.73 = 414,329.42/x - Step 3: Cross multiply
920,307.26x = 1,379,297.73 × 414,329.42 - Step 4: Simplify right side
920,307.26x = 571,483,628,478.22 - Step 5: Solve for x
x = 571,483,628,478.22/920,307.26 - Step 6: Final answer
x = 620,970.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.