Finding the Fourth Proportional to 506,758.86, 699,327.18 and 277,316.19
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Solution
The fourth proportional to 506,758.86, 699,327.18 and 277,316.19 is: 382,696.32
Step by Step Solution
- Step 1: Write the proportion equation
506,758.86 : 699,327.18 = 277,316.19 : x - Step 2: Convert to fraction form
506,758.86/699,327.18 = 277,316.19/x - Step 3: Cross multiply
506,758.86x = 699,327.18 × 277,316.19 - Step 4: Simplify right side
506,758.86x = 193,934,749,121.04 - Step 5: Solve for x
x = 193,934,749,121.04/506,758.86 - Step 6: Final answer
x = 382,696.32
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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.