Finding the Fourth Proportional to 642,950.18, 964,477.82 and 322,937.47
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Solution
The fourth proportional to 642,950.18, 964,477.82 and 322,937.47 is: 484,432.60
Step by Step Solution
- Step 1: Write the proportion equation
642,950.18 : 964,477.82 = 322,937.47 : x - Step 2: Convert to fraction form
642,950.18/964,477.82 = 322,937.47/x - Step 3: Cross multiply
642,950.18x = 964,477.82 × 322,937.47 - Step 4: Simplify right side
642,950.18x = 311,466,025,447.23 - Step 5: Solve for x
x = 311,466,025,447.23/642,950.18 - Step 6: Final answer
x = 484,432.60
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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.