Finding the Fourth Proportional to 626,355.18, 865,194.21 and 480,274.52
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Solution
The fourth proportional to 626,355.18, 865,194.21 and 480,274.52 is: 663,410.70
Step by Step Solution
- Step 1: Write the proportion equation
626,355.18 : 865,194.21 = 480,274.52 : x - Step 2: Convert to fraction form
626,355.18/865,194.21 = 480,274.52/x - Step 3: Cross multiply
626,355.18x = 865,194.21 × 480,274.52 - Step 4: Simplify right side
626,355.18x = 415,530,729,588.56 - Step 5: Solve for x
x = 415,530,729,588.56/626,355.18 - Step 6: Final answer
x = 663,410.70
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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.