Finding the Fourth Proportional to 723,338.97, 998,466.11 and 493,731.91
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Solution
The fourth proportional to 723,338.97, 998,466.11 and 493,731.91 is: 681,526.37
Step by Step Solution
- Step 1: Write the proportion equation
723,338.97 : 998,466.11 = 493,731.91 : x - Step 2: Convert to fraction form
723,338.97/998,466.11 = 493,731.91/x - Step 3: Cross multiply
723,338.97x = 998,466.11 × 493,731.91 - Step 4: Simplify right side
723,338.97x = 492,974,579,560.57 - Step 5: Solve for x
x = 492,974,579,560.57/723,338.97 - Step 6: Final answer
x = 681,526.37
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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.