Finding the Fourth Proportional to 985,665.18, 1,478,274.78 and 452,673.84
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Solution
The fourth proportional to 985,665.18, 1,478,274.78 and 452,673.84 is: 678,908.35
Step by Step Solution
- Step 1: Write the proportion equation
985,665.18 : 1,478,274.78 = 452,673.84 : x - Step 2: Convert to fraction form
985,665.18/1,478,274.78 = 452,673.84/x - Step 3: Cross multiply
985,665.18x = 1,478,274.78 × 452,673.84 - Step 4: Simplify right side
985,665.18x = 669,176,321,237.76 - Step 5: Solve for x
x = 669,176,321,237.76/985,665.18 - Step 6: Final answer
x = 678,908.35
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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.