Finding the Fourth Proportional to 853,880.36, 1,178,358.60 and 466,703.60
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Solution
The fourth proportional to 853,880.36, 1,178,358.60 and 466,703.60 is: 644,052.99
Step by Step Solution
- Step 1: Write the proportion equation
853,880.36 : 1,178,358.60 = 466,703.60 : x - Step 2: Convert to fraction form
853,880.36/1,178,358.60 = 466,703.60/x - Step 3: Cross multiply
853,880.36x = 1,178,358.60 × 466,703.60 - Step 4: Simplify right side
853,880.36x = 549,944,200,710.96 - Step 5: Solve for x
x = 549,944,200,710.96/853,880.36 - Step 6: Final answer
x = 644,052.99
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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.