Finding the Fourth Proportional to 610,357.92, 842,260.26 and 338,409.96
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Solution
The fourth proportional to 610,357.92, 842,260.26 and 338,409.96 is: 466,987.08
Step by Step Solution
- Step 1: Write the proportion equation
610,357.92 : 842,260.26 = 338,409.96 : x - Step 2: Convert to fraction form
610,357.92/842,260.26 = 338,409.96/x - Step 3: Cross multiply
610,357.92x = 842,260.26 × 338,409.96 - Step 4: Simplify right side
610,357.92x = 285,029,260,896.19 - Step 5: Solve for x
x = 285,029,260,896.19/610,357.92 - Step 6: Final answer
x = 466,987.08
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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.