Finding the Fourth Proportional to 777,614.04, 1,073,130.12 and 455,293.98
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Solution
The fourth proportional to 777,614.04, 1,073,130.12 and 455,293.98 is: 628,319.01
Step by Step Solution
- Step 1: Write the proportion equation
777,614.04 : 1,073,130.12 = 455,293.98 : x - Step 2: Convert to fraction form
777,614.04/1,073,130.12 = 455,293.98/x - Step 3: Cross multiply
777,614.04x = 1,073,130.12 × 455,293.98 - Step 4: Simplify right side
777,614.04x = 488,589,683,392.68 - Step 5: Solve for x
x = 488,589,683,392.68/777,614.04 - Step 6: Final answer
x = 628,319.01
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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.