Finding the Fourth Proportional to 899,506.99, 1,355,329.35 and 743,087.11
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Solution
The fourth proportional to 899,506.99, 1,355,329.35 and 743,087.11 is: 1,119,644.18
Step by Step Solution
- Step 1: Write the proportion equation
899,506.99 : 1,355,329.35 = 743,087.11 : x - Step 2: Convert to fraction form
899,506.99/1,355,329.35 = 743,087.11/x - Step 3: Cross multiply
899,506.99x = 1,355,329.35 × 743,087.11 - Step 4: Simplify right side
899,506.99x = 1,007,127,766,074.24 - Step 5: Solve for x
x = 1,007,127,766,074.24/899,506.99 - Step 6: Final answer
x = 1,119,644.18
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.