Finding the Fourth Proportional to 850,854, 1,174,163.94 and 463,672.99
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Solution
The fourth proportional to 850,854, 1,174,163.94 and 463,672.99 is: 639,860.78
Step by Step Solution
- Step 1: Write the proportion equation
850,854 : 1,174,163.94 = 463,672.99 : x - Step 2: Convert to fraction form
850,854/1,174,163.94 = 463,672.99/x - Step 3: Cross multiply
850,854x = 1,174,163.94 × 463,672.99 - Step 4: Simplify right side
850,854x = 544,428,104,809.98 - Step 5: Solve for x
x = 544,428,104,809.98/850,854 - Step 6: Final answer
x = 639,860.78
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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.