Finding the Fourth Proportional to 779,855.52, 1,169,921.49 and 353,374.12
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Solution
The fourth proportional to 779,855.52, 1,169,921.49 and 353,374.12 is: 530,123.81
Step by Step Solution
- Step 1: Write the proportion equation
779,855.52 : 1,169,921.49 = 353,374.12 : x - Step 2: Convert to fraction form
779,855.52/1,169,921.49 = 353,374.12/x - Step 3: Cross multiply
779,855.52x = 1,169,921.49 × 353,374.12 - Step 4: Simplify right side
779,855.52x = 413,419,979,122.82 - Step 5: Solve for x
x = 413,419,979,122.82/779,855.52 - Step 6: Final answer
x = 530,123.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.