Finding the Fourth Proportional to 922,717.20, 1,273,347.97 and 514,794.77
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Solution
The fourth proportional to 922,717.20, 1,273,347.97 and 514,794.77 is: 710,415.80
Step by Step Solution
- Step 1: Write the proportion equation
922,717.20 : 1,273,347.97 = 514,794.77 : x - Step 2: Convert to fraction form
922,717.20/1,273,347.97 = 514,794.77/x - Step 3: Cross multiply
922,717.20x = 1,273,347.97 × 514,794.77 - Step 4: Simplify right side
922,717.20x = 655,512,875,346.12 - Step 5: Solve for x
x = 655,512,875,346.12/922,717.20 - Step 6: Final answer
x = 710,415.80
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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.