Finding the Fourth Proportional to 488,602.80, 731,478.60 and 348,634.80
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Solution
The fourth proportional to 488,602.80, 731,478.60 and 348,634.80 is: 521,934.99
Step by Step Solution
- Step 1: Write the proportion equation
488,602.80 : 731,478.60 = 348,634.80 : x - Step 2: Convert to fraction form
488,602.80/731,478.60 = 348,634.80/x - Step 3: Cross multiply
488,602.80x = 731,478.60 × 348,634.80 - Step 4: Simplify right side
488,602.80x = 255,018,895,415.28 - Step 5: Solve for x
x = 255,018,895,415.28/488,602.80 - Step 6: Final answer
x = 521,934.99
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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.