Finding the Fourth Proportional to 985,275.08, 1,359,694.74 and 577,279.28
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Solution
The fourth proportional to 985,275.08, 1,359,694.74 and 577,279.28 is: 796,654.27
Step by Step Solution
- Step 1: Write the proportion equation
985,275.08 : 1,359,694.74 = 577,279.28 : x - Step 2: Convert to fraction form
985,275.08/1,359,694.74 = 577,279.28/x - Step 3: Cross multiply
985,275.08x = 1,359,694.74 × 577,279.28 - Step 4: Simplify right side
985,275.08x = 784,923,600,526.99 - Step 5: Solve for x
x = 784,923,600,526.99/985,275.08 - Step 6: Final answer
x = 796,654.27
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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.