Finding the Fourth Proportional to 959,405.13, 1,323,981.05 and 529,686.09
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Solution
The fourth proportional to 959,405.13, 1,323,981.05 and 529,686.09 is: 730,967.89
Step by Step Solution
- Step 1: Write the proportion equation
959,405.13 : 1,323,981.05 = 529,686.09 : x - Step 2: Convert to fraction form
959,405.13/1,323,981.05 = 529,686.09/x - Step 3: Cross multiply
959,405.13x = 1,323,981.05 × 529,686.09 - Step 4: Simplify right side
959,405.13x = 701,294,342,960.16 - Step 5: Solve for x
x = 701,294,342,960.16/959,405.13 - Step 6: Final answer
x = 730,967.89
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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.