Finding the Fourth Proportional to 791,250.99, 1,091,926.62 and 428,677.35
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Solution
The fourth proportional to 791,250.99, 1,091,926.62 and 428,677.35 is: 591,574.88
Step by Step Solution
- Step 1: Write the proportion equation
791,250.99 : 1,091,926.62 = 428,677.35 : x - Step 2: Convert to fraction form
791,250.99/1,091,926.62 = 428,677.35/x - Step 3: Cross multiply
791,250.99x = 1,091,926.62 × 428,677.35 - Step 4: Simplify right side
791,250.99x = 468,084,209,856.06 - Step 5: Solve for x
x = 468,084,209,856.06/791,250.99 - Step 6: Final answer
x = 591,574.88
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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.