Finding the Fourth Proportional to 539,609.19, 744,661.79 and 297,892.10
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Solution
The fourth proportional to 539,609.19, 744,661.79 and 297,892.10 is: 411,091.70
Step by Step Solution
- Step 1: Write the proportion equation
539,609.19 : 744,661.79 = 297,892.10 : x - Step 2: Convert to fraction form
539,609.19/744,661.79 = 297,892.10/x - Step 3: Cross multiply
539,609.19x = 744,661.79 × 297,892.10 - Step 4: Simplify right side
539,609.19x = 221,828,859,200.09 - Step 5: Solve for x
x = 221,828,859,200.09/539,609.19 - Step 6: Final answer
x = 411,091.70
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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.