Finding the Fourth Proportional to 874,971.84, 1,207,572.48 and 493,092.48
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Solution
The fourth proportional to 874,971.84, 1,207,572.48 and 493,092.48 is: 680,530.37
Step by Step Solution
- Step 1: Write the proportion equation
874,971.84 : 1,207,572.48 = 493,092.48 : x - Step 2: Convert to fraction form
874,971.84/1,207,572.48 = 493,092.48/x - Step 3: Cross multiply
874,971.84x = 1,207,572.48 × 493,092.48 - Step 4: Simplify right side
874,971.84x = 595,444,908,942.95 - Step 5: Solve for x
x = 595,444,908,942.95/874,971.84 - Step 6: Final answer
x = 680,530.37
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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.