Finding the Fourth Proportional to 756,164.80, 1,043,531.05 and 433,933.84
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Solution
The fourth proportional to 756,164.80, 1,043,531.05 and 433,933.84 is: 598,842.25
Step by Step Solution
- Step 1: Write the proportion equation
756,164.80 : 1,043,531.05 = 433,933.84 : x - Step 2: Convert to fraction form
756,164.80/1,043,531.05 = 433,933.84/x - Step 3: Cross multiply
756,164.80x = 1,043,531.05 × 433,933.84 - Step 4: Simplify right side
756,164.80x = 452,823,430,468.08 - Step 5: Solve for x
x = 452,823,430,468.08/756,164.80 - Step 6: Final answer
x = 598,842.25
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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.