Finding the Fourth Proportional to 474,520.98, 715,082.52 and 429,555.99
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Solution
The fourth proportional to 474,520.98, 715,082.52 and 429,555.99 is: 647,322.23
Step by Step Solution
- Step 1: Write the proportion equation
474,520.98 : 715,082.52 = 429,555.99 : x - Step 2: Convert to fraction form
474,520.98/715,082.52 = 429,555.99/x - Step 3: Cross multiply
474,520.98x = 715,082.52 × 429,555.99 - Step 4: Simplify right side
474,520.98x = 307,167,979,810.30 - Step 5: Solve for x
x = 307,167,979,810.30/474,520.98 - Step 6: Final answer
x = 647,322.23
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.