Finding the Fourth Proportional to 695,926.08, 960,348.96 and 394,120.08
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Solution
The fourth proportional to 695,926.08, 960,348.96 and 394,120.08 is: 543,869.27
Step by Step Solution
- Step 1: Write the proportion equation
695,926.08 : 960,348.96 = 394,120.08 : x - Step 2: Convert to fraction form
695,926.08/960,348.96 = 394,120.08/x - Step 3: Cross multiply
695,926.08x = 960,348.96 × 394,120.08 - Step 4: Simplify right side
695,926.08x = 378,492,808,943.12 - Step 5: Solve for x
x = 378,492,808,943.12/695,926.08 - Step 6: Final answer
x = 543,869.27
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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.