Finding the Fourth Proportional to 639,801.34, 960,292.50 and 324,479.68
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Solution
The fourth proportional to 639,801.34, 960,292.50 and 324,479.68 is: 487,018.99
Step by Step Solution
- Step 1: Write the proportion equation
639,801.34 : 960,292.50 = 324,479.68 : x - Step 2: Convert to fraction form
639,801.34/960,292.50 = 324,479.68/x - Step 3: Cross multiply
639,801.34x = 960,292.50 × 324,479.68 - Step 4: Simplify right side
639,801.34x = 311,595,403,106.40 - Step 5: Solve for x
x = 311,595,403,106.40/639,801.34 - Step 6: Final answer
x = 487,018.99
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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.