Finding the Fourth Proportional to 503,604.99, 695,025.09 and 376,059.15
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Solution
The fourth proportional to 503,604.99, 695,025.09 and 376,059.15 is: 518,999.12
Step by Step Solution
- Step 1: Write the proportion equation
503,604.99 : 695,025.09 = 376,059.15 : x - Step 2: Convert to fraction form
503,604.99/695,025.09 = 376,059.15/x - Step 3: Cross multiply
503,604.99x = 695,025.09 × 376,059.15 - Step 4: Simplify right side
503,604.99x = 261,370,544,574.07 - Step 5: Solve for x
x = 261,370,544,574.07/503,604.99 - Step 6: Final answer
x = 518,999.12
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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.