Finding the Fourth Proportional to 946,275.48, 1,305,843.30 and 538,368.54
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Solution
The fourth proportional to 946,275.48, 1,305,843.30 and 538,368.54 is: 742,938.99
Step by Step Solution
- Step 1: Write the proportion equation
946,275.48 : 1,305,843.30 = 538,368.54 : x - Step 2: Convert to fraction form
946,275.48/1,305,843.30 = 538,368.54/x - Step 3: Cross multiply
946,275.48x = 1,305,843.30 × 538,368.54 - Step 4: Simplify right side
946,275.48x = 703,024,950,889.78 - Step 5: Solve for x
x = 703,024,950,889.78/946,275.48 - Step 6: Final answer
x = 742,938.99
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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.