Finding the Fourth Proportional to 585,688.10, 877,529.52 and 319,635.50
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Solution
The fourth proportional to 585,688.10, 877,529.52 and 319,635.50 is: 478,906.07
Step by Step Solution
- Step 1: Write the proportion equation
585,688.10 : 877,529.52 = 319,635.50 : x - Step 2: Convert to fraction form
585,688.10/877,529.52 = 319,635.50/x - Step 3: Cross multiply
585,688.10x = 877,529.52 × 319,635.50 - Step 4: Simplify right side
585,688.10x = 280,489,582,502.31 - Step 5: Solve for x
x = 280,489,582,502.31/585,688.10 - Step 6: Final answer
x = 478,906.07
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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.