Finding the Fourth Proportional to 837,433.83, 1,155,655.48 and 455,466.99
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Solution
The fourth proportional to 837,433.83, 1,155,655.48 and 455,466.99 is: 628,542.70
Step by Step Solution
- Step 1: Write the proportion equation
837,433.83 : 1,155,655.48 = 455,466.99 : x - Step 2: Convert to fraction form
837,433.83/1,155,655.48 = 455,466.99/x - Step 3: Cross multiply
837,433.83x = 1,155,655.48 × 455,466.99 - Step 4: Simplify right side
837,433.83x = 526,362,922,952.61 - Step 5: Solve for x
x = 526,362,922,952.61/837,433.83 - Step 6: Final answer
x = 628,542.70
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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.