Finding the Fourth Proportional to 838,124.20, 1,257,186.30 and 603,677.80
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Solution
The fourth proportional to 838,124.20, 1,257,186.30 and 603,677.80 is: 905,516.70
Step by Step Solution
- Step 1: Write the proportion equation
838,124.20 : 1,257,186.30 = 603,677.80 : x - Step 2: Convert to fraction form
838,124.20/1,257,186.30 = 603,677.80/x - Step 3: Cross multiply
838,124.20x = 1,257,186.30 × 603,677.80 - Step 4: Simplify right side
838,124.20x = 758,935,459,774.14 - Step 5: Solve for x
x = 758,935,459,774.14/838,124.20 - Step 6: Final answer
x = 905,516.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.