Finding the Fourth Proportional to 939,787.14, 1,296,873.27 and 510,058.62
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Solution
The fourth proportional to 939,787.14, 1,296,873.27 and 510,058.62 is: 703,862.99
Step by Step Solution
- Step 1: Write the proportion equation
939,787.14 : 1,296,873.27 = 510,058.62 : x - Step 2: Convert to fraction form
939,787.14/1,296,873.27 = 510,058.62/x - Step 3: Cross multiply
939,787.14x = 1,296,873.27 × 510,058.62 - Step 4: Simplify right side
939,787.14x = 661,481,390,411.09 - Step 5: Solve for x
x = 661,481,390,411.09/939,787.14 - Step 6: Final answer
x = 703,862.99
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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.