Finding the Fourth Proportional to 985,274.08, 1,359,693.36 and 577,278.28
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Solution
The fourth proportional to 985,274.08, 1,359,693.36 and 577,278.28 is: 796,652.89
Step by Step Solution
- Step 1: Write the proportion equation
985,274.08 : 1,359,693.36 = 577,278.28 : x - Step 2: Convert to fraction form
985,274.08/1,359,693.36 = 577,278.28/x - Step 3: Cross multiply
985,274.08x = 1,359,693.36 × 577,278.28 - Step 4: Simplify right side
985,274.08x = 784,921,444,188.22 - Step 5: Solve for x
x = 784,921,444,188.22/985,274.08 - Step 6: Final answer
x = 796,652.89
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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.