Finding the Fourth Proportional to 832,862.62, 1,149,353.04 and 450,890.92
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Solution
The fourth proportional to 832,862.62, 1,149,353.04 and 450,890.92 is: 622,230.89
Step by Step Solution
- Step 1: Write the proportion equation
832,862.62 : 1,149,353.04 = 450,890.92 : x - Step 2: Convert to fraction form
832,862.62/1,149,353.04 = 450,890.92/x - Step 3: Cross multiply
832,862.62x = 1,149,353.04 × 450,890.92 - Step 4: Simplify right side
832,862.62x = 518,232,849,610.40 - Step 5: Solve for x
x = 518,232,849,610.40/832,862.62 - Step 6: Final answer
x = 622,230.89
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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.