Finding the Fourth Proportional to 610,348.92, 842,247.84 and 338,400.96
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Solution
The fourth proportional to 610,348.92, 842,247.84 and 338,400.96 is: 466,974.66
Step by Step Solution
- Step 1: Write the proportion equation
610,348.92 : 842,247.84 = 338,400.96 : x - Step 2: Convert to fraction form
610,348.92/842,247.84 = 338,400.96/x - Step 3: Cross multiply
610,348.92x = 842,247.84 × 338,400.96 - Step 4: Simplify right side
610,348.92x = 285,017,477,613.93 - Step 5: Solve for x
x = 285,017,477,613.93/610,348.92 - Step 6: Final answer
x = 466,974.66
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1.5x scale
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.