Finding the Fourth Proportional to 453,909.34, 681,467.14 and 387,774.46
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Solution
The fourth proportional to 453,909.34, 681,467.14 and 387,774.46 is: 582,176.94
Step by Step Solution
- Step 1: Write the proportion equation
453,909.34 : 681,467.14 = 387,774.46 : x - Step 2: Convert to fraction form
453,909.34/681,467.14 = 387,774.46/x - Step 3: Cross multiply
453,909.34x = 681,467.14 × 387,774.46 - Step 4: Simplify right side
453,909.34x = 264,255,552,221.24 - Step 5: Solve for x
x = 264,255,552,221.24/453,909.34 - Step 6: Final answer
x = 582,176.94
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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.