Finding the Fourth Proportional to 626,946.20, 865,450.62 and 423,273.02
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Solution
The fourth proportional to 626,946.20, 865,450.62 and 423,273.02 is: 584,295.58
Step by Step Solution
- Step 1: Write the proportion equation
626,946.20 : 865,450.62 = 423,273.02 : x - Step 2: Convert to fraction form
626,946.20/865,450.62 = 423,273.02/x - Step 3: Cross multiply
626,946.20x = 865,450.62 × 423,273.02 - Step 4: Simplify right side
626,946.20x = 366,321,893,261.02 - Step 5: Solve for x
x = 366,321,893,261.02/626,946.20 - Step 6: Final answer
x = 584,295.58
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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.