Finding the Fourth Proportional to 824,653.09, 1,235,922.58 and 717,592.15
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Solution
The fourth proportional to 824,653.09, 1,235,922.58 and 717,592.15 is: 1,075,468.40
Step by Step Solution
- Step 1: Write the proportion equation
824,653.09 : 1,235,922.58 = 717,592.15 : x - Step 2: Convert to fraction form
824,653.09/1,235,922.58 = 717,592.15/x - Step 3: Cross multiply
824,653.09x = 1,235,922.58 × 717,592.15 - Step 4: Simplify right side
824,653.09x = 886,888,341,415.75 - Step 5: Solve for x
x = 886,888,341,415.75/824,653.09 - Step 6: Final answer
x = 1,075,468.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.