Finding the Fourth Proportional to 767,069.82, 1,058,117.40 and 480,091.68
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Solution
The fourth proportional to 767,069.82, 1,058,117.40 and 480,091.68 is: 662,251.79
Step by Step Solution
- Step 1: Write the proportion equation
767,069.82 : 1,058,117.40 = 480,091.68 : x - Step 2: Convert to fraction form
767,069.82/1,058,117.40 = 480,091.68/x - Step 3: Cross multiply
767,069.82x = 1,058,117.40 × 480,091.68 - Step 4: Simplify right side
767,069.82x = 507,993,360,203.23 - Step 5: Solve for x
x = 507,993,360,203.23/767,069.82 - Step 6: Final answer
x = 662,251.79
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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.