Finding the Fourth Proportional to 959,162.97, 1,438,432.97 and 319,294.83
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Solution
The fourth proportional to 959,162.97, 1,438,432.97 and 319,294.83 is: 478,838.55
Step by Step Solution
- Step 1: Write the proportion equation
959,162.97 : 1,438,432.97 = 319,294.83 : x - Step 2: Convert to fraction form
959,162.97/1,438,432.97 = 319,294.83/x - Step 3: Cross multiply
959,162.97x = 1,438,432.97 × 319,294.83 - Step 4: Simplify right side
959,162.97x = 459,284,209,026.07 - Step 5: Solve for x
x = 459,284,209,026.07/959,162.97 - Step 6: Final answer
x = 478,838.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.