Finding the Fourth Proportional to 842,788.19, 1,163,363.97 and 552,418.46
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Solution
The fourth proportional to 842,788.19, 1,163,363.97 and 552,418.46 is: 762,544.78
Step by Step Solution
- Step 1: Write the proportion equation
842,788.19 : 1,163,363.97 = 552,418.46 : x - Step 2: Convert to fraction form
842,788.19/1,163,363.97 = 552,418.46/x - Step 3: Cross multiply
842,788.19x = 1,163,363.97 × 552,418.46 - Step 4: Simplify right side
842,788.19x = 642,663,732,726.89 - Step 5: Solve for x
x = 642,663,732,726.89/842,788.19 - Step 6: Final answer
x = 762,544.78
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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.