Finding the Fourth Proportional to 901,233.18, 1,243,699.96 and 493,335.12
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Solution
The fourth proportional to 901,233.18, 1,243,699.96 and 493,335.12 is: 680,801.46
Step by Step Solution
- Step 1: Write the proportion equation
901,233.18 : 1,243,699.96 = 493,335.12 : x - Step 2: Convert to fraction form
901,233.18/1,243,699.96 = 493,335.12/x - Step 3: Cross multiply
901,233.18x = 1,243,699.96 × 493,335.12 - Step 4: Simplify right side
901,233.18x = 613,560,869,010.60 - Step 5: Solve for x
x = 613,560,869,010.60/901,233.18 - Step 6: Final answer
x = 680,801.46
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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.