Finding the Fourth Proportional to 825,872.99, 1,139,860.33 and 538,894.85
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Solution
The fourth proportional to 825,872.99, 1,139,860.33 and 538,894.85 is: 743,776.42
Step by Step Solution
- Step 1: Write the proportion equation
825,872.99 : 1,139,860.33 = 538,894.85 : x - Step 2: Convert to fraction form
825,872.99/1,139,860.33 = 538,894.85/x - Step 3: Cross multiply
825,872.99x = 1,139,860.33 × 538,894.85 - Step 4: Simplify right side
825,872.99x = 614,264,854,509.76 - Step 5: Solve for x
x = 614,264,854,509.76/825,872.99 - Step 6: Final answer
x = 743,776.42
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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.