Finding the Fourth Proportional to 586,216.76, 808,996.74 and 331,562.84
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Solution
The fourth proportional to 586,216.76, 808,996.74 and 331,562.84 is: 457,566.68
Step by Step Solution
- Step 1: Write the proportion equation
586,216.76 : 808,996.74 = 331,562.84 : x - Step 2: Convert to fraction form
586,216.76/808,996.74 = 331,562.84/x - Step 3: Cross multiply
586,216.76x = 808,996.74 × 331,562.84 - Step 4: Simplify right side
586,216.76x = 268,233,256,665.14 - Step 5: Solve for x
x = 268,233,256,665.14/586,216.76 - Step 6: Final answer
x = 457,566.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.