Finding the Fourth Proportional to 440,320.92, 607,828.86 and 297,274.70
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Solution
The fourth proportional to 440,320.92, 607,828.86 and 297,274.70 is: 410,364.65
Step by Step Solution
- Step 1: Write the proportion equation
440,320.92 : 607,828.86 = 297,274.70 : x - Step 2: Convert to fraction form
440,320.92/607,828.86 = 297,274.70/x - Step 3: Cross multiply
440,320.92x = 607,828.86 × 297,274.70 - Step 4: Simplify right side
440,320.92x = 180,692,142,007.84 - Step 5: Solve for x
x = 180,692,142,007.84/440,320.92 - Step 6: Final answer
x = 410,364.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.