Finding the Fourth Proportional to 799,207.86, 1,192,981.88 and 698,316.06
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Solution
The fourth proportional to 799,207.86, 1,192,981.88 and 698,316.06 is: 1,042,380.14
Step by Step Solution
- Step 1: Write the proportion equation
799,207.86 : 1,192,981.88 = 698,316.06 : x - Step 2: Convert to fraction form
799,207.86/1,192,981.88 = 698,316.06/x - Step 3: Cross multiply
799,207.86x = 1,192,981.88 × 698,316.06 - Step 4: Simplify right side
799,207.86x = 833,078,402,601.41 - Step 5: Solve for x
x = 833,078,402,601.41/799,207.86 - Step 6: Final answer
x = 1,042,380.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.