Finding the Fourth Proportional to 842,787.90, 1,163,363.58 and 552,418.17
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Solution
The fourth proportional to 842,787.90, 1,163,363.58 and 552,418.17 is: 762,544.38
Step by Step Solution
- Step 1: Write the proportion equation
842,787.90 : 1,163,363.58 = 552,418.17 : x - Step 2: Convert to fraction form
842,787.90/1,163,363.58 = 552,418.17/x - Step 3: Cross multiply
842,787.90x = 1,163,363.58 × 552,418.17 - Step 4: Simplify right side
842,787.90x = 642,663,179,908.25 - Step 5: Solve for x
x = 642,663,179,908.25/842,787.90 - Step 6: Final answer
x = 762,544.38
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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.