Finding the Fourth Proportional to 938,986.08, 1,295,801.40 and 509,266.08
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Solution
The fourth proportional to 938,986.08, 1,295,801.40 and 509,266.08 is: 702,787.52
Step by Step Solution
- Step 1: Write the proportion equation
938,986.08 : 1,295,801.40 = 509,266.08 : x - Step 2: Convert to fraction form
938,986.08/1,295,801.40 = 509,266.08/x - Step 3: Cross multiply
938,986.08x = 1,295,801.40 × 509,266.08 - Step 4: Simplify right side
938,986.08x = 659,907,699,436.51 - Step 5: Solve for x
x = 659,907,699,436.51/938,986.08 - Step 6: Final answer
x = 702,787.52
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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.