Finding the Fourth Proportional to 585,798.30, 878,697.45 and 211,733.82
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Solution
The fourth proportional to 585,798.30, 878,697.45 and 211,733.82 is: 317,600.73
Step by Step Solution
- Step 1: Write the proportion equation
585,798.30 : 878,697.45 = 211,733.82 : x - Step 2: Convert to fraction form
585,798.30/878,697.45 = 211,733.82/x - Step 3: Cross multiply
585,798.30x = 878,697.45 × 211,733.82 - Step 4: Simplify right side
585,798.30x = 186,049,967,712.76 - Step 5: Solve for x
x = 186,049,967,712.76/585,798.30 - Step 6: Final answer
x = 317,600.73
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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.