Finding the Fourth Proportional to 959,267.10, 1,323,812.65 and 545,781.09
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Solution
The fourth proportional to 959,267.10, 1,323,812.65 and 545,781.09 is: 753,191.59
Step by Step Solution
- Step 1: Write the proportion equation
959,267.10 : 1,323,812.65 = 545,781.09 : x - Step 2: Convert to fraction form
959,267.10/1,323,812.65 = 545,781.09/x - Step 3: Cross multiply
959,267.10x = 1,323,812.65 × 545,781.09 - Step 4: Simplify right side
959,267.10x = 722,511,911,072.79 - Step 5: Solve for x
x = 722,511,911,072.79/959,267.10 - Step 6: Final answer
x = 753,191.59
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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.