Finding the Fourth Proportional to 750,311.04, 1,125,103.68 and 277,219.20
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Solution
The fourth proportional to 750,311.04, 1,125,103.68 and 277,219.20 is: 415,694.73
Step by Step Solution
- Step 1: Write the proportion equation
750,311.04 : 1,125,103.68 = 277,219.20 : x - Step 2: Convert to fraction form
750,311.04/1,125,103.68 = 277,219.20/x - Step 3: Cross multiply
750,311.04x = 1,125,103.68 × 277,219.20 - Step 4: Simplify right side
750,311.04x = 311,900,342,086.66 - Step 5: Solve for x
x = 311,900,342,086.66/750,311.04 - Step 6: Final answer
x = 415,694.73
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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.