Finding the Fourth Proportional to 707,792.16, 976,748.18 and 385,501.26
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Solution
The fourth proportional to 707,792.16, 976,748.18 and 385,501.26 is: 531,989.02
Step by Step Solution
- Step 1: Write the proportion equation
707,792.16 : 976,748.18 = 385,501.26 : x - Step 2: Convert to fraction form
707,792.16/976,748.18 = 385,501.26/x - Step 3: Cross multiply
707,792.16x = 976,748.18 × 385,501.26 - Step 4: Simplify right side
707,792.16x = 376,537,654,092.71 - Step 5: Solve for x
x = 376,537,654,092.71/707,792.16 - Step 6: Final answer
x = 531,989.02
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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.