Finding the Fourth Proportional to 850,810.74, 1,174,126.69 and 468,851.19
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Solution
The fourth proportional to 850,810.74, 1,174,126.69 and 468,851.19 is: 647,018.98
Step by Step Solution
- Step 1: Write the proportion equation
850,810.74 : 1,174,126.69 = 468,851.19 : x - Step 2: Convert to fraction form
850,810.74/1,174,126.69 = 468,851.19/x - Step 3: Cross multiply
850,810.74x = 1,174,126.69 × 468,851.19 - Step 4: Simplify right side
850,810.74x = 550,490,695,817.26 - Step 5: Solve for x
x = 550,490,695,817.26/850,810.74 - Step 6: Final answer
x = 647,018.98
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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.