Finding the Fourth Proportional to 837,637.40, 1,155,906.05 and 455,655.98
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Solution
The fourth proportional to 837,637.40, 1,155,906.05 and 455,655.98 is: 628,786.99
Step by Step Solution
- Step 1: Write the proportion equation
837,637.40 : 1,155,906.05 = 455,655.98 : x - Step 2: Convert to fraction form
837,637.40/1,155,906.05 = 455,655.98/x - Step 3: Cross multiply
837,637.40x = 1,155,906.05 × 455,655.98 - Step 4: Simplify right side
837,637.40x = 526,695,504,612.16 - Step 5: Solve for x
x = 526,695,504,612.16/837,637.40 - Step 6: Final answer
x = 628,786.99
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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.