Finding the Fourth Proportional to 571,753.62, 788,910.71 and 326,815.96
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Solution
The fourth proportional to 571,753.62, 788,910.71 and 326,815.96 is: 450,943.56
Step by Step Solution
- Step 1: Write the proportion equation
571,753.62 : 788,910.71 = 326,815.96 : x - Step 2: Convert to fraction form
571,753.62/788,910.71 = 326,815.96/x - Step 3: Cross multiply
571,753.62x = 788,910.71 × 326,815.96 - Step 4: Simplify right side
571,753.62x = 257,828,612,514.88 - Step 5: Solve for x
x = 257,828,612,514.88/571,753.62 - Step 6: Final answer
x = 450,943.56
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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.