Finding the Fourth Proportional to 498,630.02, 688,135.19 and 304,976.98
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Solution
The fourth proportional to 498,630.02, 688,135.19 and 304,976.98 is: 420,883.99
Step by Step Solution
- Step 1: Write the proportion equation
498,630.02 : 688,135.19 = 304,976.98 : x - Step 2: Convert to fraction form
498,630.02/688,135.19 = 304,976.98/x - Step 3: Cross multiply
498,630.02x = 688,135.19 × 304,976.98 - Step 4: Simplify right side
498,630.02x = 209,865,391,120.03 - Step 5: Solve for x
x = 209,865,391,120.03/498,630.02 - Step 6: Final answer
x = 420,883.99
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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.