Finding the Fourth Proportional to 767,059.92, 1,058,547.60 and 427,549.68
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Solution
The fourth proportional to 767,059.92, 1,058,547.60 and 427,549.68 is: 590,021.30
Step by Step Solution
- Step 1: Write the proportion equation
767,059.92 : 1,058,547.60 = 427,549.68 : x - Step 2: Convert to fraction form
767,059.92/1,058,547.60 = 427,549.68/x - Step 3: Cross multiply
767,059.92x = 1,058,547.60 × 427,549.68 - Step 4: Simplify right side
767,059.92x = 452,581,687,644.77 - Step 5: Solve for x
x = 452,581,687,644.77/767,059.92 - Step 6: Final answer
x = 590,021.30
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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.