Finding the Fourth Proportional to 903,557.07, 1,353,528.50 and 543,529.49
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Solution
The fourth proportional to 903,557.07, 1,353,528.50 and 543,529.49 is: 814,207.17
Step by Step Solution
- Step 1: Write the proportion equation
903,557.07 : 1,353,528.50 = 543,529.49 : x - Step 2: Convert to fraction form
903,557.07/1,353,528.50 = 543,529.49/x - Step 3: Cross multiply
903,557.07x = 1,353,528.50 × 543,529.49 - Step 4: Simplify right side
903,557.07x = 735,682,645,820.18 - Step 5: Solve for x
x = 735,682,645,820.18/903,557.07 - Step 6: Final answer
x = 814,207.17
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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.