Finding the Fourth Proportional to 563,658.58, 777,845.95 and 305,534.53
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Solution
The fourth proportional to 563,658.58, 777,845.95 and 305,534.53 is: 421,636.08
Step by Step Solution
- Step 1: Write the proportion equation
563,658.58 : 777,845.95 = 305,534.53 : x - Step 2: Convert to fraction form
563,658.58/777,845.95 = 305,534.53/x - Step 3: Cross multiply
563,658.58x = 777,845.95 × 305,534.53 - Step 4: Simplify right side
563,658.58x = 237,658,796,745.65 - Step 5: Solve for x
x = 237,658,796,745.65/563,658.58 - Step 6: Final answer
x = 421,636.08
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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.