Finding the Fourth Proportional to 626,947.19, 865,451.99 and 423,274.01
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Solution
The fourth proportional to 626,947.19, 865,451.99 and 423,274.01 is: 584,296.96
Step by Step Solution
- Step 1: Write the proportion equation
626,947.19 : 865,451.99 = 423,274.01 : x - Step 2: Convert to fraction form
626,947.19/865,451.99 = 423,274.01/x - Step 3: Cross multiply
626,947.19x = 865,451.99 × 423,274.01 - Step 4: Simplify right side
626,947.19x = 366,323,334,269.78 - Step 5: Solve for x
x = 366,323,334,269.78/626,947.19 - Step 6: Final answer
x = 584,296.96
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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.