Finding the Fourth Proportional to 938,615.94, 1,295,194.12 and 576,055.08
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Solution
The fourth proportional to 938,615.94, 1,295,194.12 and 576,055.08 is: 794,897.17
Step by Step Solution
- Step 1: Write the proportion equation
938,615.94 : 1,295,194.12 = 576,055.08 : x - Step 2: Convert to fraction form
938,615.94/1,295,194.12 = 576,055.08/x - Step 3: Cross multiply
938,615.94x = 1,295,194.12 × 576,055.08 - Step 4: Simplify right side
938,615.94x = 746,103,150,971.99 - Step 5: Solve for x
x = 746,103,150,971.99/938,615.94 - Step 6: Final answer
x = 794,897.17
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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.