Finding the Fourth Proportional to 559,619.37, 772,252.20 and 304,965.09
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Solution
The fourth proportional to 559,619.37, 772,252.20 and 304,965.09 is: 420,839.55
Step by Step Solution
- Step 1: Write the proportion equation
559,619.37 : 772,252.20 = 304,965.09 : x - Step 2: Convert to fraction form
559,619.37/772,252.20 = 304,965.09/x - Step 3: Cross multiply
559,619.37x = 772,252.20 × 304,965.09 - Step 4: Simplify right side
559,619.37x = 235,509,961,675.70 - Step 5: Solve for x
x = 235,509,961,675.70/559,619.37 - Step 6: Final answer
x = 420,839.55
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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.