Finding the Fourth Proportional to 851,259.84, 1,174,738.44 and 488,707.08
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Solution
The fourth proportional to 851,259.84, 1,174,738.44 and 488,707.08 is: 674,415.69
Step by Step Solution
- Step 1: Write the proportion equation
851,259.84 : 1,174,738.44 = 488,707.08 : x - Step 2: Convert to fraction form
851,259.84/1,174,738.44 = 488,707.08/x - Step 3: Cross multiply
851,259.84x = 1,174,738.44 × 488,707.08 - Step 4: Simplify right side
851,259.84x = 574,102,992,776.16 - Step 5: Solve for x
x = 574,102,992,776.16/851,259.84 - Step 6: Final answer
x = 674,415.69
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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.