Finding the Fourth Proportional to 763,562.67, 1,145,347.34 and 258,126.31
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Solution
The fourth proportional to 763,562.67, 1,145,347.34 and 258,126.31 is: 387,190.59
Step by Step Solution
- Step 1: Write the proportion equation
763,562.67 : 1,145,347.34 = 258,126.31 : x - Step 2: Convert to fraction form
763,562.67/1,145,347.34 = 258,126.31/x - Step 3: Cross multiply
763,562.67x = 1,145,347.34 × 258,126.31 - Step 4: Simplify right side
763,562.67x = 295,644,282,542.52 - Step 5: Solve for x
x = 295,644,282,542.52/763,562.67 - Step 6: Final answer
x = 387,190.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.