Finding the Fourth Proportional to 892,130.06, 1,231,140.71 and 484,231.99
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Solution
The fourth proportional to 892,130.06, 1,231,140.71 and 484,231.99 is: 668,240.81
Step by Step Solution
- Step 1: Write the proportion equation
892,130.06 : 1,231,140.71 = 484,231.99 : x - Step 2: Convert to fraction form
892,130.06/1,231,140.71 = 484,231.99/x - Step 3: Cross multiply
892,130.06x = 1,231,140.71 × 484,231.99 - Step 4: Simplify right side
892,130.06x = 596,157,715,973.31 - Step 5: Solve for x
x = 596,157,715,973.31/892,130.06 - Step 6: Final answer
x = 668,240.81
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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.