Finding the Fourth Proportional to 838,271.94, 1,156,841.37 and 456,324.18
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Solution
The fourth proportional to 838,271.94, 1,156,841.37 and 456,324.18 is: 629,741.57
Step by Step Solution
- Step 1: Write the proportion equation
838,271.94 : 1,156,841.37 = 456,324.18 : x - Step 2: Convert to fraction form
838,271.94/1,156,841.37 = 456,324.18/x - Step 3: Cross multiply
838,271.94x = 1,156,841.37 × 456,324.18 - Step 4: Simplify right side
838,271.94x = 527,894,689,555.33 - Step 5: Solve for x
x = 527,894,689,555.33/838,271.94 - Step 6: Final answer
x = 629,741.57
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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.