Finding the Fourth Proportional to 586,572.09, 809,469.43 and 318,300.09
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Solution
The fourth proportional to 586,572.09, 809,469.43 and 318,300.09 is: 439,254.09
Step by Step Solution
- Step 1: Write the proportion equation
586,572.09 : 809,469.43 = 318,300.09 : x - Step 2: Convert to fraction form
586,572.09/809,469.43 = 318,300.09/x - Step 3: Cross multiply
586,572.09x = 809,469.43 × 318,300.09 - Step 4: Simplify right side
586,572.09x = 257,654,192,421.25 - Step 5: Solve for x
x = 257,654,192,421.25/586,572.09 - Step 6: Final answer
x = 439,254.09
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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.