Finding the Fourth Proportional to 809,797.83, 1,117,587.12 and 465,745.14
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Solution
The fourth proportional to 809,797.83, 1,117,587.12 and 465,745.14 is: 642,766.32
Step by Step Solution
- Step 1: Write the proportion equation
809,797.83 : 1,117,587.12 = 465,745.14 : x - Step 2: Convert to fraction form
809,797.83/1,117,587.12 = 465,745.14/x - Step 3: Cross multiply
809,797.83x = 1,117,587.12 × 465,745.14 - Step 4: Simplify right side
809,797.83x = 520,510,769,666.60 - Step 5: Solve for x
x = 520,510,769,666.60/809,797.83 - Step 6: Final answer
x = 642,766.32
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1.5x scale
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.