Finding the Fourth Proportional to 748,538.77, 1,031,907.96 and 533,305.17
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Solution
The fourth proportional to 748,538.77, 1,031,907.96 and 533,305.17 is: 735,194.85
Step by Step Solution
- Step 1: Write the proportion equation
748,538.77 : 1,031,907.96 = 533,305.17 : x - Step 2: Convert to fraction form
748,538.77/1,031,907.96 = 533,305.17/x - Step 3: Cross multiply
748,538.77x = 1,031,907.96 × 533,305.17 - Step 4: Simplify right side
748,538.77x = 550,321,850,032.15 - Step 5: Solve for x
x = 550,321,850,032.15/748,538.77 - Step 6: Final answer
x = 735,194.85
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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.