Finding the Fourth Proportional to 750,770.64, 1,126,322.07 and 413,637.70
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Solution
The fourth proportional to 750,770.64, 1,126,322.07 and 413,637.70 is: 620,548.07
Step by Step Solution
- Step 1: Write the proportion equation
750,770.64 : 1,126,322.07 = 413,637.70 : x - Step 2: Convert to fraction form
750,770.64/1,126,322.07 = 413,637.70/x - Step 3: Cross multiply
750,770.64x = 1,126,322.07 × 413,637.70 - Step 4: Simplify right side
750,770.64x = 465,889,270,494.04 - Step 5: Solve for x
x = 465,889,270,494.04/750,770.64 - Step 6: Final answer
x = 620,548.07
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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.