Finding the Fourth Proportional to 783,604.80, 1,175,407.20 and 251,507.70
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Solution
The fourth proportional to 783,604.80, 1,175,407.20 and 251,507.70 is: 377,261.55
Step by Step Solution
- Step 1: Write the proportion equation
783,604.80 : 1,175,407.20 = 251,507.70 : x - Step 2: Convert to fraction form
783,604.80/1,175,407.20 = 251,507.70/x - Step 3: Cross multiply
783,604.80x = 1,175,407.20 × 251,507.70 - Step 4: Simplify right side
783,604.80x = 295,623,961,435.44 - Step 5: Solve for x
x = 295,623,961,435.44/783,604.80 - Step 6: Final answer
x = 377,261.55
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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.