Finding the Fourth Proportional to 526,895.65, 727,133.63 and 322,907.18
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Solution
The fourth proportional to 526,895.65, 727,133.63 and 322,907.18 is: 445,622.70
Step by Step Solution
- Step 1: Write the proportion equation
526,895.65 : 727,133.63 = 322,907.18 : x - Step 2: Convert to fraction form
526,895.65/727,133.63 = 322,907.18/x - Step 3: Cross multiply
526,895.65x = 727,133.63 × 322,907.18 - Step 4: Simplify right side
526,895.65x = 234,796,664,696.26 - Step 5: Solve for x
x = 234,796,664,696.26/526,895.65 - Step 6: Final answer
x = 445,622.70
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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.