Finding the Fourth Proportional to 626,963.41, 865,474.30 and 423,290.26
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Solution
The fourth proportional to 626,963.41, 865,474.30 and 423,290.26 is: 584,319.33
Step by Step Solution
- Step 1: Write the proportion equation
626,963.41 : 865,474.30 = 423,290.26 : x - Step 2: Convert to fraction form
626,963.41/865,474.30 = 423,290.26/x - Step 3: Cross multiply
626,963.41x = 865,474.30 × 423,290.26 - Step 4: Simplify right side
626,963.41x = 366,346,841,470.32 - Step 5: Solve for x
x = 366,346,841,470.32/626,963.41 - Step 6: Final answer
x = 584,319.33
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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.