Finding the Fourth Proportional to 489,497.76, 733,299.12 and 286,602.48
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Solution
The fourth proportional to 489,497.76, 733,299.12 and 286,602.48 is: 429,348.94
Step by Step Solution
- Step 1: Write the proportion equation
489,497.76 : 733,299.12 = 286,602.48 : x - Step 2: Convert to fraction form
489,497.76/733,299.12 = 286,602.48/x - Step 3: Cross multiply
489,497.76x = 733,299.12 × 286,602.48 - Step 4: Simplify right side
489,497.76x = 210,165,346,373.82 - Step 5: Solve for x
x = 210,165,346,373.82/489,497.76 - Step 6: Final answer
x = 429,348.94
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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.