Finding the Fourth Proportional to 766,734.96, 1,058,069.88 and 480,409.68
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Solution
The fourth proportional to 766,734.96, 1,058,069.88 and 480,409.68 is: 662,950.09
Step by Step Solution
- Step 1: Write the proportion equation
766,734.96 : 1,058,069.88 = 480,409.68 : x - Step 2: Convert to fraction form
766,734.96/1,058,069.88 = 480,409.68/x - Step 3: Cross multiply
766,734.96x = 1,058,069.88 × 480,409.68 - Step 4: Simplify right side
766,734.96x = 508,307,012,468.44 - Step 5: Solve for x
x = 508,307,012,468.44/766,734.96 - Step 6: Final answer
x = 662,950.09
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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.