Finding the Fourth Proportional to 960,579.76, 1,440,908.52 and 361,477.84
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Solution
The fourth proportional to 960,579.76, 1,440,908.52 and 361,477.84 is: 542,231.39
Step by Step Solution
- Step 1: Write the proportion equation
960,579.76 : 1,440,908.52 = 361,477.84 : x - Step 2: Convert to fraction form
960,579.76/1,440,908.52 = 361,477.84/x - Step 3: Cross multiply
960,579.76x = 1,440,908.52 × 361,477.84 - Step 4: Simplify right side
960,579.76x = 520,856,499,447.20 - Step 5: Solve for x
x = 520,856,499,447.20/960,579.76 - Step 6: Final answer
x = 542,231.39
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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.