Finding the Fourth Proportional to 960,013.08, 1,440,923.58 and 487,037.88
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Solution
The fourth proportional to 960,013.08, 1,440,923.58 and 487,037.88 is: 731,015.42
Step by Step Solution
- Step 1: Write the proportion equation
960,013.08 : 1,440,923.58 = 487,037.88 : x - Step 2: Convert to fraction form
960,013.08/1,440,923.58 = 487,037.88/x - Step 3: Cross multiply
960,013.08x = 1,440,923.58 × 487,037.88 - Step 4: Simplify right side
960,013.08x = 701,784,365,645.21 - Step 5: Solve for x
x = 701,784,365,645.21/960,013.08 - Step 6: Final answer
x = 731,015.42
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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.