Finding the Fourth Proportional to 936,310.80, 1,292,108.90 and 506,590.92
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Solution
The fourth proportional to 936,310.80, 1,292,108.90 and 506,590.92 is: 699,095.46
Step by Step Solution
- Step 1: Write the proportion equation
936,310.80 : 1,292,108.90 = 506,590.92 : x - Step 2: Convert to fraction form
936,310.80/1,292,108.90 = 506,590.92/x - Step 3: Cross multiply
936,310.80x = 1,292,108.90 × 506,590.92 - Step 4: Simplify right side
936,310.80x = 654,570,633,858.23 - Step 5: Solve for x
x = 654,570,633,858.23/936,310.80 - Step 6: Final answer
x = 699,095.46
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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.