Finding the Fourth Proportional to 632,904.84, 873,245.07 and 374,786.73
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Solution
The fourth proportional to 632,904.84, 873,245.07 and 374,786.73 is: 517,108.80
Step by Step Solution
- Step 1: Write the proportion equation
632,904.84 : 873,245.07 = 374,786.73 : x - Step 2: Convert to fraction form
632,904.84/873,245.07 = 374,786.73/x - Step 3: Cross multiply
632,904.84x = 873,245.07 × 374,786.73 - Step 4: Simplify right side
632,904.84x = 327,280,664,273.92 - Step 5: Solve for x
x = 327,280,664,273.92/632,904.84 - Step 6: Final answer
x = 517,108.80
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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.