Finding the Fourth Proportional to 901,473.44, 1,243,985.99 and 493,497.09
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Solution
The fourth proportional to 901,473.44, 1,243,985.99 and 493,497.09 is: 681,000.06
Step by Step Solution
- Step 1: Write the proportion equation
901,473.44 : 1,243,985.99 = 493,497.09 : x - Step 2: Convert to fraction form
901,473.44/1,243,985.99 = 493,497.09/x - Step 3: Cross multiply
901,473.44x = 1,243,985.99 × 493,497.09 - Step 4: Simplify right side
901,473.44x = 613,903,463,598.28 - Step 5: Solve for x
x = 613,903,463,598.28/901,473.44 - Step 6: Final answer
x = 681,000.06
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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.