Finding the Fourth Proportional to 724,888.74, 1,086,916.35 and 298,718.71
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Solution
The fourth proportional to 724,888.74, 1,086,916.35 and 298,718.71 is: 447,906.32
Step by Step Solution
- Step 1: Write the proportion equation
724,888.74 : 1,086,916.35 = 298,718.71 : x - Step 2: Convert to fraction form
724,888.74/1,086,916.35 = 298,718.71/x - Step 3: Cross multiply
724,888.74x = 1,086,916.35 × 298,718.71 - Step 4: Simplify right side
724,888.74x = 324,682,249,949.91 - Step 5: Solve for x
x = 324,682,249,949.91/724,888.74 - Step 6: Final answer
x = 447,906.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.