Finding the Fourth Proportional to 532,440.16, 734,782.56 and 290,738.08
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Solution
The fourth proportional to 532,440.16, 734,782.56 and 290,738.08 is: 401,226.82
Step by Step Solution
- Step 1: Write the proportion equation
532,440.16 : 734,782.56 = 290,738.08 : x - Step 2: Convert to fraction form
532,440.16/734,782.56 = 290,738.08/x - Step 3: Cross multiply
532,440.16x = 734,782.56 × 290,738.08 - Step 4: Simplify right side
532,440.16x = 213,629,270,711.89 - Step 5: Solve for x
x = 213,629,270,711.89/532,440.16 - Step 6: Final answer
x = 401,226.82
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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.