Finding the Fourth Proportional to 684,626.24, 944,711.44 and 378,654.01
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Solution
The fourth proportional to 684,626.24, 944,711.44 and 378,654.01 is: 522,502.28
Step by Step Solution
- Step 1: Write the proportion equation
684,626.24 : 944,711.44 = 378,654.01 : x - Step 2: Convert to fraction form
684,626.24/944,711.44 = 378,654.01/x - Step 3: Cross multiply
684,626.24x = 944,711.44 × 378,654.01 - Step 4: Simplify right side
684,626.24x = 357,718,771,740.46 - Step 5: Solve for x
x = 357,718,771,740.46/684,626.24 - Step 6: Final answer
x = 522,502.28
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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.