Finding the Fourth Proportional to 967,970.04, 1,335,743.78 and 538,240.94
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Solution
The fourth proportional to 967,970.04, 1,335,743.78 and 538,240.94 is: 742,741.99
Step by Step Solution
- Step 1: Write the proportion equation
967,970.04 : 1,335,743.78 = 538,240.94 : x - Step 2: Convert to fraction form
967,970.04/1,335,743.78 = 538,240.94/x - Step 3: Cross multiply
967,970.04x = 1,335,743.78 × 538,240.94 - Step 4: Simplify right side
967,970.04x = 718,951,992,431.32 - Step 5: Solve for x
x = 718,951,992,431.32/967,970.04 - Step 6: Final answer
x = 742,741.99
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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.