Finding the Fourth Proportional to 913,917.42, 1,260,808.98 and 551,139.68
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Solution
The fourth proportional to 913,917.42, 1,260,808.98 and 551,139.68 is: 760,333.31
Step by Step Solution
- Step 1: Write the proportion equation
913,917.42 : 1,260,808.98 = 551,139.68 : x - Step 2: Convert to fraction form
913,917.42/1,260,808.98 = 551,139.68/x - Step 3: Cross multiply
913,917.42x = 1,260,808.98 × 551,139.68 - Step 4: Simplify right side
913,917.42x = 694,881,857,778.33 - Step 5: Solve for x
x = 694,881,857,778.33/913,917.42 - Step 6: Final answer
x = 760,333.31
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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.