Finding the Fourth Proportional to 420,737.08, 584,536.81 and 415,692.52
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Solution
The fourth proportional to 420,737.08, 584,536.81 and 415,692.52 is: 577,528.32
Step by Step Solution
- Step 1: Write the proportion equation
420,737.08 : 584,536.81 = 415,692.52 : x - Step 2: Convert to fraction form
420,737.08/584,536.81 = 415,692.52/x - Step 3: Cross multiply
420,737.08x = 584,536.81 × 415,692.52 - Step 4: Simplify right side
420,737.08x = 242,987,579,581.66 - Step 5: Solve for x
x = 242,987,579,581.66/420,737.08 - Step 6: Final answer
x = 577,528.32
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.