Finding the Fourth Proportional to 556,122.44, 767,342.02 and 352,029.80
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Solution
The fourth proportional to 556,122.44, 767,342.02 and 352,029.80 is: 485,733.43
Step by Step Solution
- Step 1: Write the proportion equation
556,122.44 : 767,342.02 = 352,029.80 : x - Step 2: Convert to fraction form
556,122.44/767,342.02 = 352,029.80/x - Step 3: Cross multiply
556,122.44x = 767,342.02 × 352,029.80 - Step 4: Simplify right side
556,122.44x = 270,127,257,832.20 - Step 5: Solve for x
x = 270,127,257,832.20/556,122.44 - Step 6: Final answer
x = 485,733.43
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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.