Finding the Fourth Proportional to 899,572.92, 1,241,430.54 and 491,701.68
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Solution
The fourth proportional to 899,572.92, 1,241,430.54 and 491,701.68 is: 678,559.20
Step by Step Solution
- Step 1: Write the proportion equation
899,572.92 : 1,241,430.54 = 491,701.68 : x - Step 2: Convert to fraction form
899,572.92/1,241,430.54 = 491,701.68/x - Step 3: Cross multiply
899,572.92x = 1,241,430.54 × 491,701.68 - Step 4: Simplify right side
899,572.92x = 610,413,482,121.31 - Step 5: Solve for x
x = 610,413,482,121.31/899,572.92 - Step 6: Final answer
x = 678,559.20
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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.