Finding the Fourth Proportional to 853,401.42, 1,177,683.84 and 466,214.94
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Solution
The fourth proportional to 853,401.42, 1,177,683.84 and 466,214.94 is: 643,371.09
Step by Step Solution
- Step 1: Write the proportion equation
853,401.42 : 1,177,683.84 = 466,214.94 : x - Step 2: Convert to fraction form
853,401.42/1,177,683.84 = 466,214.94/x - Step 3: Cross multiply
853,401.42x = 1,177,683.84 × 466,214.94 - Step 4: Simplify right side
853,401.42x = 549,053,800,804.57 - Step 5: Solve for x
x = 549,053,800,804.57/853,401.42 - Step 6: Final answer
x = 643,371.09
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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.