Finding the Fourth Proportional to 840,121.04, 1,159,396.12 and 477,560.08
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Solution
The fourth proportional to 840,121.04, 1,159,396.12 and 477,560.08 is: 659,049.44
Step by Step Solution
- Step 1: Write the proportion equation
840,121.04 : 1,159,396.12 = 477,560.08 : x - Step 2: Convert to fraction form
840,121.04/1,159,396.12 = 477,560.08/x - Step 3: Cross multiply
840,121.04x = 1,159,396.12 × 477,560.08 - Step 4: Simplify right side
840,121.04x = 553,681,303,818.89 - Step 5: Solve for x
x = 553,681,303,818.89/840,121.04 - Step 6: Final answer
x = 659,049.44
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1.5x scale
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.