Finding the Fourth Proportional to 767,133.98, 1,058,255.79 and 585,530.63
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Solution
The fourth proportional to 767,133.98, 1,058,255.79 and 585,530.63 is: 807,735.28
Step by Step Solution
- Step 1: Write the proportion equation
767,133.98 : 1,058,255.79 = 585,530.63 : x - Step 2: Convert to fraction form
767,133.98/1,058,255.79 = 585,530.63/x - Step 3: Cross multiply
767,133.98x = 1,058,255.79 × 585,530.63 - Step 4: Simplify right side
767,133.98x = 619,641,179,419.85 - Step 5: Solve for x
x = 619,641,179,419.85/767,133.98 - Step 6: Final answer
x = 807,735.28
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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.