Finding the Fourth Proportional to 812,192.41, 1,120,838.74 and 444,663.37
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Solution
The fourth proportional to 812,192.41, 1,120,838.74 and 444,663.37 is: 613,642.69
Step by Step Solution
- Step 1: Write the proportion equation
812,192.41 : 1,120,838.74 = 444,663.37 : x - Step 2: Convert to fraction form
812,192.41/1,120,838.74 = 444,663.37/x - Step 3: Cross multiply
812,192.41x = 1,120,838.74 × 444,663.37 - Step 4: Simplify right side
812,192.41x = 498,395,931,354.95 - Step 5: Solve for x
x = 498,395,931,354.95/812,192.41 - Step 6: Final answer
x = 613,642.69
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1.5x scale
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.