Finding the Fourth Proportional to 656,363.40, 984,545.10 and 375,649.80
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Solution
The fourth proportional to 656,363.40, 984,545.10 and 375,649.80 is: 563,474.70
Step by Step Solution
- Step 1: Write the proportion equation
656,363.40 : 984,545.10 = 375,649.80 : x - Step 2: Convert to fraction form
656,363.40/984,545.10 = 375,649.80/x - Step 3: Cross multiply
656,363.40x = 984,545.10 × 375,649.80 - Step 4: Simplify right side
656,363.40x = 369,844,169,905.98 - Step 5: Solve for x
x = 369,844,169,905.98/656,363.40 - Step 6: Final answer
x = 563,474.70
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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.