Finding the Fourth Proportional to 622,967.14, 859,566.09 and 396,530.02
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Solution
The fourth proportional to 622,967.14, 859,566.09 and 396,530.02 is: 547,129.59
Step by Step Solution
- Step 1: Write the proportion equation
622,967.14 : 859,566.09 = 396,530.02 : x - Step 2: Convert to fraction form
622,967.14/859,566.09 = 396,530.02/x - Step 3: Cross multiply
622,967.14x = 859,566.09 × 396,530.02 - Step 4: Simplify right side
622,967.14x = 340,843,758,859.02 - Step 5: Solve for x
x = 340,843,758,859.02/622,967.14 - Step 6: Final answer
x = 547,129.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.