Finding the Fourth Proportional to 658,574.92, 908,833.35 and 356,768.92
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Solution
The fourth proportional to 658,574.92, 908,833.35 and 356,768.92 is: 492,341.09
Step by Step Solution
- Step 1: Write the proportion equation
658,574.92 : 908,833.35 = 356,768.92 : x - Step 2: Convert to fraction form
658,574.92/908,833.35 = 356,768.92/x - Step 3: Cross multiply
658,574.92x = 908,833.35 × 356,768.92 - Step 4: Simplify right side
658,574.92x = 324,243,492,739.48 - Step 5: Solve for x
x = 324,243,492,739.48/658,574.92 - Step 6: Final answer
x = 492,341.09
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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.