Finding the Fourth Proportional to 977,452.80, 1,465,741.80 and 378,214.80
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Solution
The fourth proportional to 977,452.80, 1,465,741.80 and 378,214.80 is: 567,152.95
Step by Step Solution
- Step 1: Write the proportion equation
977,452.80 : 1,465,741.80 = 378,214.80 : x - Step 2: Convert to fraction form
977,452.80/1,465,741.80 = 378,214.80/x - Step 3: Cross multiply
977,452.80x = 1,465,741.80 × 378,214.80 - Step 4: Simplify right side
977,452.80x = 554,365,241,738.64 - Step 5: Solve for x
x = 554,365,241,738.64/977,452.80 - Step 6: Final answer
x = 567,152.95
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1.5x scale
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.