Finding the Fourth Proportional to 892,927.94, 1,232,263.49 and 485,053.13
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Solution
The fourth proportional to 892,927.94, 1,232,263.49 and 485,053.13 is: 669,385.78
Step by Step Solution
- Step 1: Write the proportion equation
892,927.94 : 1,232,263.49 = 485,053.13 : x - Step 2: Convert to fraction form
892,927.94/1,232,263.49 = 485,053.13/x - Step 3: Cross multiply
892,927.94x = 1,232,263.49 × 485,053.13 - Step 4: Simplify right side
892,927.94x = 597,713,262,809.22 - Step 5: Solve for x
x = 597,713,262,809.22/892,927.94 - Step 6: Final answer
x = 669,385.78
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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.