Finding the Fourth Proportional to 440,320.53, 607,644.66 and 246,728.65
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Solution
The fourth proportional to 440,320.53, 607,644.66 and 246,728.65 is: 340,486.84
Step by Step Solution
- Step 1: Write the proportion equation
440,320.53 : 607,644.66 = 246,728.65 : x - Step 2: Convert to fraction form
440,320.53/607,644.66 = 246,728.65/x - Step 3: Cross multiply
440,320.53x = 607,644.66 × 246,728.65 - Step 4: Simplify right side
440,320.53x = 149,923,346,641.51 - Step 5: Solve for x
x = 149,923,346,641.51/440,320.53 - Step 6: Final answer
x = 340,486.84
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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.