Finding the Fourth Proportional to 910,564.54, 1,256,571.36 and 502,657.63
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Solution
The fourth proportional to 910,564.54, 1,256,571.36 and 502,657.63 is: 693,663.27
Step by Step Solution
- Step 1: Write the proportion equation
910,564.54 : 1,256,571.36 = 502,657.63 : x - Step 2: Convert to fraction form
910,564.54/1,256,571.36 = 502,657.63/x - Step 3: Cross multiply
910,564.54x = 1,256,571.36 × 502,657.63 - Step 4: Simplify right side
910,564.54x = 631,625,178,602.05 - Step 5: Solve for x
x = 631,625,178,602.05/910,564.54 - Step 6: Final answer
x = 693,663.27
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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.