Finding the Fourth Proportional to 659,069.68, 909,555.42 and 372,616.48
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Solution
The fourth proportional to 659,069.68, 909,555.42 and 372,616.48 is: 514,232.94
Step by Step Solution
- Step 1: Write the proportion equation
659,069.68 : 909,555.42 = 372,616.48 : x - Step 2: Convert to fraction form
659,069.68/909,555.42 = 372,616.48/x - Step 3: Cross multiply
659,069.68x = 909,555.42 × 372,616.48 - Step 4: Simplify right side
659,069.68x = 338,915,338,965.32 - Step 5: Solve for x
x = 338,915,338,965.32/659,069.68 - Step 6: Final answer
x = 514,232.94
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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.