Finding the Fourth Proportional to 838,134.32, 1,156,625.36 and 456,163.84
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Solution
The fourth proportional to 838,134.32, 1,156,625.36 and 456,163.84 is: 629,506.09
Step by Step Solution
- Step 1: Write the proportion equation
838,134.32 : 1,156,625.36 = 456,163.84 : x - Step 2: Convert to fraction form
838,134.32/1,156,625.36 = 456,163.84/x - Step 3: Cross multiply
838,134.32x = 1,156,625.36 × 456,163.84 - Step 4: Simplify right side
838,134.32x = 527,610,657,595.04 - Step 5: Solve for x
x = 527,610,657,595.04/838,134.32 - Step 6: Final answer
x = 629,506.09
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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.