Finding the Fourth Proportional to 585,437.67, 807,814.76 and 330,695.91
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Solution
The fourth proportional to 585,437.67, 807,814.76 and 330,695.91 is: 456,309.95
Step by Step Solution
- Step 1: Write the proportion equation
585,437.67 : 807,814.76 = 330,695.91 : x - Step 2: Convert to fraction form
585,437.67/807,814.76 = 330,695.91/x - Step 3: Cross multiply
585,437.67x = 807,814.76 × 330,695.91 - Step 4: Simplify right side
585,437.67x = 267,141,035,516.15 - Step 5: Solve for x
x = 267,141,035,516.15/585,437.67 - Step 6: Final answer
x = 456,309.95
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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.