Finding the Fourth Proportional to 919,133.24, 1,268,363.04 and 531,887.24
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Solution
The fourth proportional to 919,133.24, 1,268,363.04 and 531,887.24 is: 733,980.76
Step by Step Solution
- Step 1: Write the proportion equation
919,133.24 : 1,268,363.04 = 531,887.24 : x - Step 2: Convert to fraction form
919,133.24/1,268,363.04 = 531,887.24/x - Step 3: Cross multiply
919,133.24x = 1,268,363.04 × 531,887.24 - Step 4: Simplify right side
919,133.24x = 674,626,116,663.61 - Step 5: Solve for x
x = 674,626,116,663.61/919,133.24 - Step 6: Final answer
x = 733,980.76
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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.