Finding the Fourth Proportional to 453,736.08, 679,415.04 and 319,891.68
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Solution
The fourth proportional to 453,736.08, 679,415.04 and 319,891.68 is: 478,999.20
Step by Step Solution
- Step 1: Write the proportion equation
453,736.08 : 679,415.04 = 319,891.68 : x - Step 2: Convert to fraction form
453,736.08/679,415.04 = 319,891.68/x - Step 3: Cross multiply
453,736.08x = 679,415.04 × 319,891.68 - Step 4: Simplify right side
453,736.08x = 217,339,218,562.87 - Step 5: Solve for x
x = 217,339,218,562.87/453,736.08 - Step 6: Final answer
x = 478,999.20
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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.