Finding the Fourth Proportional to 810,895.08, 1,119,032.42 and 453,199.08
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Solution
The fourth proportional to 810,895.08, 1,119,032.42 and 453,199.08 is: 625,413.17
Step by Step Solution
- Step 1: Write the proportion equation
810,895.08 : 1,119,032.42 = 453,199.08 : x - Step 2: Convert to fraction form
810,895.08/1,119,032.42 = 453,199.08/x - Step 3: Cross multiply
810,895.08x = 1,119,032.42 × 453,199.08 - Step 4: Simplify right side
810,895.08x = 507,144,463,234.17 - Step 5: Solve for x
x = 507,144,463,234.17/810,895.08 - Step 6: Final answer
x = 625,413.17
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1.5x scale
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.