Finding the Fourth Proportional to 626,537.30, 864,582.12 and 354,660.39
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Solution
The fourth proportional to 626,537.30, 864,582.12 and 354,660.39 is: 489,409.07
Step by Step Solution
- Step 1: Write the proportion equation
626,537.30 : 864,582.12 = 354,660.39 : x - Step 2: Convert to fraction form
626,537.30/864,582.12 = 354,660.39/x - Step 3: Cross multiply
626,537.30x = 864,582.12 × 354,660.39 - Step 4: Simplify right side
626,537.30x = 306,633,031,866.23 - Step 5: Solve for x
x = 306,633,031,866.23/626,537.30 - Step 6: Final answer
x = 489,409.07
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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.