Finding the Fourth Proportional to 938,350.36, 1,294,888.79 and 508,621.26
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Solution
The fourth proportional to 938,350.36, 1,294,888.79 and 508,621.26 is: 701,878.53
Step by Step Solution
- Step 1: Write the proportion equation
938,350.36 : 1,294,888.79 = 508,621.26 : x - Step 2: Convert to fraction form
938,350.36/1,294,888.79 = 508,621.26/x - Step 3: Cross multiply
938,350.36x = 1,294,888.79 × 508,621.26 - Step 4: Simplify right side
938,350.36x = 658,607,967,929.68 - Step 5: Solve for x
x = 658,607,967,929.68/938,350.36 - Step 6: Final answer
x = 701,878.53
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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.