Finding the Fourth Proportional to 1,330,292.70, 1,995,439.05 and 488,735.10
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Solution
The fourth proportional to 1,330,292.70, 1,995,439.05 and 488,735.10 is: 733,102.65
Step by Step Solution
- Step 1: Write the proportion equation
1,330,292.70 : 1,995,439.05 = 488,735.10 : x - Step 2: Convert to fraction form
1,330,292.70/1,995,439.05 = 488,735.10/x - Step 3: Cross multiply
1,330,292.70x = 1,995,439.05 × 488,735.10 - Step 4: Simplify right side
1,330,292.70x = 975,241,103,645.66 - Step 5: Solve for x
x = 975,241,103,645.66/1,330,292.70 - Step 6: Final answer
x = 733,102.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.