Finding the Fourth Proportional to 936,768.20, 1,292,394.30 and 614,657.12
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Solution
The fourth proportional to 936,768.20, 1,292,394.30 and 614,657.12 is: 847,999.92
Step by Step Solution
- Step 1: Write the proportion equation
936,768.20 : 1,292,394.30 = 614,657.12 : x - Step 2: Convert to fraction form
936,768.20/1,292,394.30 = 614,657.12/x - Step 3: Cross multiply
936,768.20x = 1,292,394.30 × 614,657.12 - Step 4: Simplify right side
936,768.20x = 794,379,358,342.42 - Step 5: Solve for x
x = 794,379,358,342.42/936,768.20 - Step 6: Final answer
x = 847,999.92
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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.