Finding the Fourth Proportional to 499,267.70, 748,901.55 and 440,218.70
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Solution
The fourth proportional to 499,267.70, 748,901.55 and 440,218.70 is: 660,328.05
Step by Step Solution
- Step 1: Write the proportion equation
499,267.70 : 748,901.55 = 440,218.70 : x - Step 2: Convert to fraction form
499,267.70/748,901.55 = 440,218.70/x - Step 3: Cross multiply
499,267.70x = 748,901.55 × 440,218.70 - Step 4: Simplify right side
499,267.70x = 329,680,466,768.99 - Step 5: Solve for x
x = 329,680,466,768.99/499,267.70 - Step 6: Final answer
x = 660,328.05
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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.