Finding the Fourth Proportional to 946,855.34, 1,306,658.28 and 517,135.49
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Solution
The fourth proportional to 946,855.34, 1,306,658.28 and 517,135.49 is: 713,645.84
Step by Step Solution
- Step 1: Write the proportion equation
946,855.34 : 1,306,658.28 = 517,135.49 : x - Step 2: Convert to fraction form
946,855.34/1,306,658.28 = 517,135.49/x - Step 3: Cross multiply
946,855.34x = 1,306,658.28 × 517,135.49 - Step 4: Simplify right side
946,855.34x = 675,719,370,196.29 - Step 5: Solve for x
x = 675,719,370,196.29/946,855.34 - Step 6: Final answer
x = 713,645.84
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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.