Finding the Fourth Proportional to 985,666.18, 1,478,276.28 and 452,674.84
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Solution
The fourth proportional to 985,666.18, 1,478,276.28 and 452,674.84 is: 678,909.85
Step by Step Solution
- Step 1: Write the proportion equation
985,666.18 : 1,478,276.28 = 452,674.84 : x - Step 2: Convert to fraction form
985,666.18/1,478,276.28 = 452,674.84/x - Step 3: Cross multiply
985,666.18x = 1,478,276.28 × 452,674.84 - Step 4: Simplify right side
985,666.18x = 669,178,478,524.80 - Step 5: Solve for x
x = 669,178,478,524.80/985,666.18 - Step 6: Final answer
x = 678,909.85
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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.