Finding the Fourth Proportional to 938,835.63, 1,295,593.47 and 509,115.63
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Solution
The fourth proportional to 938,835.63, 1,295,593.47 and 509,115.63 is: 702,579.73
Step by Step Solution
- Step 1: Write the proportion equation
938,835.63 : 1,295,593.47 = 509,115.63 : x - Step 2: Convert to fraction form
938,835.63/1,295,593.47 = 509,115.63/x - Step 3: Cross multiply
938,835.63x = 1,295,593.47 × 509,115.63 - Step 4: Simplify right side
938,835.63x = 659,606,885,702.94 - Step 5: Solve for x
x = 659,606,885,702.94/938,835.63 - Step 6: Final answer
x = 702,579.73
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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.