Finding the Fourth Proportional to 870,452.52, 1,201,167.39 and 507,817.84
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Solution
The fourth proportional to 870,452.52, 1,201,167.39 and 507,817.84 is: 700,755.31
Step by Step Solution
- Step 1: Write the proportion equation
870,452.52 : 1,201,167.39 = 507,817.84 : x - Step 2: Convert to fraction form
870,452.52/1,201,167.39 = 507,817.84/x - Step 3: Cross multiply
870,452.52x = 1,201,167.39 × 507,817.84 - Step 4: Simplify right side
870,452.52x = 609,974,229,468.24 - Step 5: Solve for x
x = 609,974,229,468.24/870,452.52 - Step 6: Final answer
x = 700,755.31
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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.