Finding the Fourth Proportional to 967,910.79, 1,335,747.75 and 538,209.03
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Solution
The fourth proportional to 967,910.79, 1,335,747.75 and 538,209.03 is: 742,745.62
Step by Step Solution
- Step 1: Write the proportion equation
967,910.79 : 1,335,747.75 = 538,209.03 : x - Step 2: Convert to fraction form
967,910.79/1,335,747.75 = 538,209.03/x - Step 3: Cross multiply
967,910.79x = 1,335,747.75 × 538,209.03 - Step 4: Simplify right side
967,910.79x = 718,911,500,852.18 - Step 5: Solve for x
x = 718,911,500,852.18/967,910.79 - Step 6: Final answer
x = 742,745.62
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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.