Finding the Fourth Proportional to 619,290.80, 854,700.36 and 364,665.68
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Solution
The fourth proportional to 619,290.80, 854,700.36 and 364,665.68 is: 503,285.19
Step by Step Solution
- Step 1: Write the proportion equation
619,290.80 : 854,700.36 = 364,665.68 : x - Step 2: Convert to fraction form
619,290.80/854,700.36 = 364,665.68/x - Step 3: Cross multiply
619,290.80x = 854,700.36 × 364,665.68 - Step 4: Simplify right side
619,290.80x = 311,679,887,975.65 - Step 5: Solve for x
x = 311,679,887,975.65/619,290.80 - Step 6: Final answer
x = 503,285.19
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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.