Finding the Fourth Proportional to 434,386.60, 598,789.01 and 304,961.99
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Solution
The fourth proportional to 434,386.60, 598,789.01 and 304,961.99 is: 420,381.03
Step by Step Solution
- Step 1: Write the proportion equation
434,386.60 : 598,789.01 = 304,961.99 : x - Step 2: Convert to fraction form
434,386.60/598,789.01 = 304,961.99/x - Step 3: Cross multiply
434,386.60x = 598,789.01 × 304,961.99 - Step 4: Simplify right side
434,386.60x = 182,607,883,560.98 - Step 5: Solve for x
x = 182,607,883,560.98/434,386.60 - Step 6: Final answer
x = 420,381.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.