Finding the Fourth Proportional to 684,284.46, 944,295.82 and 378,353.08
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Solution
The fourth proportional to 684,284.46, 944,295.82 and 378,353.08 is: 522,118.00
Step by Step Solution
- Step 1: Write the proportion equation
684,284.46 : 944,295.82 = 378,353.08 : x - Step 2: Convert to fraction form
684,284.46/944,295.82 = 378,353.08/x - Step 3: Cross multiply
684,284.46x = 944,295.82 × 378,353.08 - Step 4: Simplify right side
684,284.46x = 357,277,231,928.13 - Step 5: Solve for x
x = 357,277,231,928.13/684,284.46 - Step 6: Final answer
x = 522,118.00
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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.