Finding the Fourth Proportional to 707,497.08, 976,323.42 and 420,951.48
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Solution
The fourth proportional to 707,497.08, 976,323.42 and 420,951.48 is: 580,899.63
Step by Step Solution
- Step 1: Write the proportion equation
707,497.08 : 976,323.42 = 420,951.48 : x - Step 2: Convert to fraction form
707,497.08/976,323.42 = 420,951.48/x - Step 3: Cross multiply
707,497.08x = 976,323.42 × 420,951.48 - Step 4: Simplify right side
707,497.08x = 410,984,788,607.66 - Step 5: Solve for x
x = 410,984,788,607.66/707,497.08 - Step 6: Final answer
x = 580,899.63
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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.