Finding the Fourth Proportional to 838,311.44, 1,156,869.92 and 456,341.09
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Solution
The fourth proportional to 838,311.44, 1,156,869.92 and 456,341.09 is: 629,750.78
Step by Step Solution
- Step 1: Write the proportion equation
838,311.44 : 1,156,869.92 = 456,341.09 : x - Step 2: Convert to fraction form
838,311.44/1,156,869.92 = 456,341.09/x - Step 3: Cross multiply
838,311.44x = 1,156,869.92 × 456,341.09 - Step 4: Simplify right side
838,311.44x = 527,927,280,281.01 - Step 5: Solve for x
x = 527,927,280,281.01/838,311.44 - Step 6: Final answer
x = 629,750.78
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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.