Finding the Fourth Proportional to 892,804.02, 1,232,422.87 and 621,029.63
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Solution
The fourth proportional to 892,804.02, 1,232,422.87 and 621,029.63 is: 857,266.66
Step by Step Solution
- Step 1: Write the proportion equation
892,804.02 : 1,232,422.87 = 621,029.63 : x - Step 2: Convert to fraction form
892,804.02/1,232,422.87 = 621,029.63/x - Step 3: Cross multiply
892,804.02x = 1,232,422.87 × 621,029.63 - Step 4: Simplify right side
892,804.02x = 765,371,118,959.64 - Step 5: Solve for x
x = 765,371,118,959.64/892,804.02 - Step 6: Final answer
x = 857,266.66
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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.