Finding the Fourth Proportional to 684,273.75, 944,281.02 and 378,342.07
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Solution
The fourth proportional to 684,273.75, 944,281.02 and 378,342.07 is: 522,102.79
Step by Step Solution
- Step 1: Write the proportion equation
684,273.75 : 944,281.02 = 378,342.07 : x - Step 2: Convert to fraction form
684,273.75/944,281.02 = 378,342.07/x - Step 3: Cross multiply
684,273.75x = 944,281.02 × 378,342.07 - Step 4: Simplify right side
684,273.75x = 357,261,235,768.51 - Step 5: Solve for x
x = 357,261,235,768.51/684,273.75 - Step 6: Final answer
x = 522,102.79
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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.