Finding the Fourth Proportional to 418,234.19, 623,867.52 and 377,873.10
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Solution
The fourth proportional to 418,234.19, 623,867.52 and 377,873.10 is: 563,662.09
Step by Step Solution
- Step 1: Write the proportion equation
418,234.19 : 623,867.52 = 377,873.10 : x - Step 2: Convert to fraction form
418,234.19/623,867.52 = 377,873.10/x - Step 3: Cross multiply
418,234.19x = 623,867.52 × 377,873.10 - Step 4: Simplify right side
418,234.19x = 235,742,753,063.20 - Step 5: Solve for x
x = 235,742,753,063.20/418,234.19 - Step 6: Final answer
x = 563,662.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.