Finding the Fourth Proportional to 638,976.24, 881,767.08 and 363,364.02
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Solution
The fourth proportional to 638,976.24, 881,767.08 and 363,364.02 is: 501,430.90
Step by Step Solution
- Step 1: Write the proportion equation
638,976.24 : 881,767.08 = 363,364.02 : x - Step 2: Convert to fraction form
638,976.24/881,767.08 = 363,364.02/x - Step 3: Cross multiply
638,976.24x = 881,767.08 × 363,364.02 - Step 4: Simplify right side
638,976.24x = 320,402,430,892.46 - Step 5: Solve for x
x = 320,402,430,892.46/638,976.24 - Step 6: Final answer
x = 501,430.90
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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.