Finding the Fourth Proportional to 936,411.44, 1,292,243.64 and 506,699.18
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Solution
The fourth proportional to 936,411.44, 1,292,243.64 and 506,699.18 is: 699,242.62
Step by Step Solution
- Step 1: Write the proportion equation
936,411.44 : 1,292,243.64 = 506,699.18 : x - Step 2: Convert to fraction form
936,411.44/1,292,243.64 = 506,699.18/x - Step 3: Cross multiply
936,411.44x = 1,292,243.64 × 506,699.18 - Step 4: Simplify right side
936,411.44x = 654,778,792,748.22 - Step 5: Solve for x
x = 654,778,792,748.22/936,411.44 - Step 6: Final answer
x = 699,242.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.