Finding the Fourth Proportional to 539,563.56, 744,638.94 and 297,892.68
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Solution
The fourth proportional to 539,563.56, 744,638.94 and 297,892.68 is: 411,114.66
Step by Step Solution
- Step 1: Write the proportion equation
539,563.56 : 744,638.94 = 297,892.68 : x - Step 2: Convert to fraction form
539,563.56/744,638.94 = 297,892.68/x - Step 3: Cross multiply
539,563.56x = 744,638.94 × 297,892.68 - Step 4: Simplify right side
539,563.56x = 221,822,489,468.96 - Step 5: Solve for x
x = 221,822,489,468.96/539,563.56 - Step 6: Final answer
x = 411,114.66
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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.