Finding the Fourth Proportional to 691,961.99, 954,973.28 and 433,879.79
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Solution
The fourth proportional to 691,961.99, 954,973.28 and 433,879.79 is: 598,795.32
Step by Step Solution
- Step 1: Write the proportion equation
691,961.99 : 954,973.28 = 433,879.79 : x - Step 2: Convert to fraction form
691,961.99/954,973.28 = 433,879.79/x - Step 3: Cross multiply
691,961.99x = 954,973.28 × 433,879.79 - Step 4: Simplify right side
691,961.99x = 414,343,604,012.61 - Step 5: Solve for x
x = 414,343,604,012.61/691,961.99 - Step 6: Final answer
x = 598,795.32
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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.