Finding the Fourth Proportional to 528,599.96, 729,473.39 and 286,884.62
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Solution
The fourth proportional to 528,599.96, 729,473.39 and 286,884.62 is: 395,903.73
Step by Step Solution
- Step 1: Write the proportion equation
528,599.96 : 729,473.39 = 286,884.62 : x - Step 2: Convert to fraction form
528,599.96/729,473.39 = 286,884.62/x - Step 3: Cross multiply
528,599.96x = 729,473.39 × 286,884.62 - Step 4: Simplify right side
528,599.96x = 209,274,696,633.54 - Step 5: Solve for x
x = 209,274,696,633.54/528,599.96 - Step 6: Final answer
x = 395,903.73
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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.