Finding the Fourth Proportional to 684,216.67, 944,202.36 and 378,285.17
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Solution
The fourth proportional to 684,216.67, 944,202.36 and 378,285.17 is: 522,024.33
Step by Step Solution
- Step 1: Write the proportion equation
684,216.67 : 944,202.36 = 378,285.17 : x - Step 2: Convert to fraction form
684,216.67/944,202.36 = 378,285.17/x - Step 3: Cross multiply
684,216.67x = 944,202.36 × 378,285.17 - Step 4: Simplify right side
684,216.67x = 357,177,751,211.77 - Step 5: Solve for x
x = 357,177,751,211.77/684,216.67 - Step 6: Final answer
x = 522,024.33
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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.