Finding the Fourth Proportional to 858,432.99, 1,288,913.50 and 480,094.97
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Solution
The fourth proportional to 858,432.99, 1,288,913.50 and 480,094.97 is: 720,849.38
Step by Step Solution
- Step 1: Write the proportion equation
858,432.99 : 1,288,913.50 = 480,094.97 : x - Step 2: Convert to fraction form
858,432.99/1,288,913.50 = 480,094.97/x - Step 3: Cross multiply
858,432.99x = 1,288,913.50 × 480,094.97 - Step 4: Simplify right side
858,432.99x = 618,800,888,115.10 - Step 5: Solve for x
x = 618,800,888,115.10/858,432.99 - Step 6: Final answer
x = 720,849.38
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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.