Finding the Fourth Proportional to 901,473.94, 1,243,986.68 and 493,497.59
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Solution
The fourth proportional to 901,473.94, 1,243,986.68 and 493,497.59 is: 681,000.75
Step by Step Solution
- Step 1: Write the proportion equation
901,473.94 : 1,243,986.68 = 493,497.59 : x - Step 2: Convert to fraction form
901,473.94/1,243,986.68 = 493,497.59/x - Step 3: Cross multiply
901,473.94x = 1,243,986.68 × 493,497.59 - Step 4: Simplify right side
901,473.94x = 613,904,426,104.61 - Step 5: Solve for x
x = 613,904,426,104.61/901,473.94 - Step 6: Final answer
x = 681,000.75
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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.