Finding the Fourth Proportional to 667,937.64, 921,893.04 and 614,137.44
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Solution
The fourth proportional to 667,937.64, 921,893.04 and 614,137.44 is: 847,637.56
Step by Step Solution
- Step 1: Write the proportion equation
667,937.64 : 921,893.04 = 614,137.44 : x - Step 2: Convert to fraction form
667,937.64/921,893.04 = 614,137.44/x - Step 3: Cross multiply
667,937.64x = 921,893.04 × 614,137.44 - Step 4: Simplify right side
667,937.64x = 566,169,031,539.42 - Step 5: Solve for x
x = 566,169,031,539.42/667,937.64 - Step 6: Final answer
x = 847,637.56
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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.