Finding the Fourth Proportional to 889,645, 1,331,119.26 and 623,924.20
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Solution
The fourth proportional to 889,645, 1,331,119.26 and 623,924.20 is: 933,538.12
Step by Step Solution
- Step 1: Write the proportion equation
889,645 : 1,331,119.26 = 623,924.20 : x - Step 2: Convert to fraction form
889,645/1,331,119.26 = 623,924.20/x - Step 3: Cross multiply
889,645x = 1,331,119.26 × 623,924.20 - Step 4: Simplify right side
889,645x = 830,517,519,400.09 - Step 5: Solve for x
x = 830,517,519,400.09/889,645 - Step 6: Final answer
x = 933,538.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.