Finding the Fourth Proportional to 916,081.20, 1,373,477.97 and 403,503.09
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Solution
The fourth proportional to 916,081.20, 1,373,477.97 and 403,503.09 is: 604,971.05
Step by Step Solution
- Step 1: Write the proportion equation
916,081.20 : 1,373,477.97 = 403,503.09 : x - Step 2: Convert to fraction form
916,081.20/1,373,477.97 = 403,503.09/x - Step 3: Cross multiply
916,081.20x = 1,373,477.97 × 403,503.09 - Step 4: Simplify right side
916,081.20x = 554,202,604,941.93 - Step 5: Solve for x
x = 554,202,604,941.93/916,081.20 - Step 6: Final answer
x = 604,971.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.