Finding the Fourth Proportional to 938,574.80, 1,295,135.97 and 576,013.94
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Solution
The fourth proportional to 938,574.80, 1,295,135.97 and 576,013.94 is: 794,839.55
Step by Step Solution
- Step 1: Write the proportion equation
938,574.80 : 1,295,135.97 = 576,013.94 : x - Step 2: Convert to fraction form
938,574.80/1,295,135.97 = 576,013.94/x - Step 3: Cross multiply
938,574.80x = 1,295,135.97 × 576,013.94 - Step 4: Simplify right side
938,574.80x = 746,016,372,915.42 - Step 5: Solve for x
x = 746,016,372,915.42/938,574.80 - Step 6: Final answer
x = 794,839.55
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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.