Finding the Fourth Proportional to 628,897.92, 867,894.68 and 342,433.68
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Solution
The fourth proportional to 628,897.92, 867,894.68 and 342,433.68 is: 472,566.95
Step by Step Solution
- Step 1: Write the proportion equation
628,897.92 : 867,894.68 = 342,433.68 : x - Step 2: Convert to fraction form
628,897.92/867,894.68 = 342,433.68/x - Step 3: Cross multiply
628,897.92x = 867,894.68 × 342,433.68 - Step 4: Simplify right side
628,897.92x = 297,196,369,124.82 - Step 5: Solve for x
x = 297,196,369,124.82/628,897.92 - Step 6: Final answer
x = 472,566.95
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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.