Finding the Fourth Proportional to 557,511.84, 769,368.24 and 328,078.08
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Solution
The fourth proportional to 557,511.84, 769,368.24 and 328,078.08 is: 452,748.87
Step by Step Solution
- Step 1: Write the proportion equation
557,511.84 : 769,368.24 = 328,078.08 : x - Step 2: Convert to fraction form
557,511.84/769,368.24 = 328,078.08/x - Step 3: Cross multiply
557,511.84x = 769,368.24 × 328,078.08 - Step 4: Simplify right side
557,511.84x = 252,412,854,992.18 - Step 5: Solve for x
x = 252,412,854,992.18/557,511.84 - Step 6: Final answer
x = 452,748.87
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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.