Finding the Fourth Proportional to 697,114.40, 960,225.57 and 492,813.99
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Solution
The fourth proportional to 697,114.40, 960,225.57 and 492,813.99 is: 678,816.27
Step by Step Solution
- Step 1: Write the proportion equation
697,114.40 : 960,225.57 = 492,813.99 : x - Step 2: Convert to fraction form
697,114.40/960,225.57 = 492,813.99/x - Step 3: Cross multiply
697,114.40x = 960,225.57 × 492,813.99 - Step 4: Simplify right side
697,114.40x = 473,212,594,451.72 - Step 5: Solve for x
x = 473,212,594,451.72/697,114.40 - Step 6: Final answer
x = 678,816.27
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1.5x scale
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.