Finding the Fourth Proportional to 420,952.62, 630,420.21 and 306,794.46
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Solution
The fourth proportional to 420,952.62, 630,420.21 and 306,794.46 is: 459,456.52
Step by Step Solution
- Step 1: Write the proportion equation
420,952.62 : 630,420.21 = 306,794.46 : x - Step 2: Convert to fraction form
420,952.62/630,420.21 = 306,794.46/x - Step 3: Cross multiply
420,952.62x = 630,420.21 × 306,794.46 - Step 4: Simplify right side
420,952.62x = 193,409,427,900.04 - Step 5: Solve for x
x = 193,409,427,900.04/420,952.62 - Step 6: Final answer
x = 459,456.52
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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.