Finding the Fourth Proportional to 777,962.14, 1,073,125.09 and 605,607.30
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Solution
The fourth proportional to 777,962.14, 1,073,125.09 and 605,607.30 is: 835,377.92
Step by Step Solution
- Step 1: Write the proportion equation
777,962.14 : 1,073,125.09 = 605,607.30 : x - Step 2: Convert to fraction form
777,962.14/1,073,125.09 = 605,607.30/x - Step 3: Cross multiply
777,962.14x = 1,073,125.09 × 605,607.30 - Step 4: Simplify right side
777,962.14x = 649,892,389,074.17 - Step 5: Solve for x
x = 649,892,389,074.17/777,962.14 - Step 6: Final answer
x = 835,377.92
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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.