Finding the Fourth Proportional to 419,967.24, 630,246.06 and 379,813.92
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Solution
The fourth proportional to 419,967.24, 630,246.06 and 379,813.92 is: 569,987.86
Step by Step Solution
- Step 1: Write the proportion equation
419,967.24 : 630,246.06 = 379,813.92 : x - Step 2: Convert to fraction form
419,967.24/630,246.06 = 379,813.92/x - Step 3: Cross multiply
419,967.24x = 630,246.06 × 379,813.92 - Step 4: Simplify right side
419,967.24x = 239,376,226,613.16 - Step 5: Solve for x
x = 239,376,226,613.16/419,967.24 - Step 6: Final answer
x = 569,987.86
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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.