Finding the Fourth Proportional to 447,911.93, 670,289.85 and 279,511.49
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Solution
The fourth proportional to 447,911.93, 670,289.85 and 279,511.49 is: 418,282.48
Step by Step Solution
- Step 1: Write the proportion equation
447,911.93 : 670,289.85 = 279,511.49 : x - Step 2: Convert to fraction form
447,911.93/670,289.85 = 279,511.49/x - Step 3: Cross multiply
447,911.93x = 670,289.85 × 279,511.49 - Step 4: Simplify right side
447,911.93x = 187,353,711,353.93 - Step 5: Solve for x
x = 187,353,711,353.93/447,911.93 - Step 6: Final answer
x = 418,282.48
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1.5x scale
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.