Finding the Fourth Proportional to 498,526.24, 688,045.20 and 317,048.96
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Solution
The fourth proportional to 498,526.24, 688,045.20 and 317,048.96 is: 437,577.80
Step by Step Solution
- Step 1: Write the proportion equation
498,526.24 : 688,045.20 = 317,048.96 : x - Step 2: Convert to fraction form
498,526.24/688,045.20 = 317,048.96/x - Step 3: Cross multiply
498,526.24x = 688,045.20 × 317,048.96 - Step 4: Simplify right side
498,526.24x = 218,144,015,092.99 - Step 5: Solve for x
x = 218,144,015,092.99/498,526.24 - Step 6: Final answer
x = 437,577.80
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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.