Finding the Fourth Proportional to 656,839.80, 985,259.70 and 603,695.70
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Solution
The fourth proportional to 656,839.80, 985,259.70 and 603,695.70 is: 905,543.55
Step by Step Solution
- Step 1: Write the proportion equation
656,839.80 : 985,259.70 = 603,695.70 : x - Step 2: Convert to fraction form
656,839.80/985,259.70 = 603,695.70/x - Step 3: Cross multiply
656,839.80x = 985,259.70 × 603,695.70 - Step 4: Simplify right side
656,839.80x = 594,797,044,273.29 - Step 5: Solve for x
x = 594,797,044,273.29/656,839.80 - Step 6: Final answer
x = 905,543.55
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1.5x scale
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.