Finding the Fourth Proportional to 489,548.20, 733,386.14 and 330,998.44
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Solution
The fourth proportional to 489,548.20, 733,386.14 and 330,998.44 is: 495,864.69
Step by Step Solution
- Step 1: Write the proportion equation
489,548.20 : 733,386.14 = 330,998.44 : x - Step 2: Convert to fraction form
489,548.20/733,386.14 = 330,998.44/x - Step 3: Cross multiply
489,548.20x = 733,386.14 × 330,998.44 - Step 4: Simplify right side
489,548.20x = 242,749,668,257.62 - Step 5: Solve for x
x = 242,749,668,257.62/489,548.20 - Step 6: Final answer
x = 495,864.69
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1.5x scale
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.