Finding the Fourth Proportional to 928,722.52, 1,392,846.90 and 288,901.12
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Solution
The fourth proportional to 928,722.52, 1,392,846.90 and 288,901.12 is: 433,277.99
Step by Step Solution
- Step 1: Write the proportion equation
928,722.52 : 1,392,846.90 = 288,901.12 : x - Step 2: Convert to fraction form
928,722.52/1,392,846.90 = 288,901.12/x - Step 3: Cross multiply
928,722.52x = 1,392,846.90 × 288,901.12 - Step 4: Simplify right side
928,722.52x = 402,395,029,398.53 - Step 5: Solve for x
x = 402,395,029,398.53/928,722.52 - Step 6: Final answer
x = 433,277.99
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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.