Finding the Fourth Proportional to 832,806.23, 1,149,267.42 and 450,830.25
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Solution
The fourth proportional to 832,806.23, 1,149,267.42 and 450,830.25 is: 622,142.95
Step by Step Solution
- Step 1: Write the proportion equation
832,806.23 : 1,149,267.42 = 450,830.25 : x - Step 2: Convert to fraction form
832,806.23/1,149,267.42 = 450,830.25/x - Step 3: Cross multiply
832,806.23x = 1,149,267.42 × 450,830.25 - Step 4: Simplify right side
832,806.23x = 518,124,518,275.46 - Step 5: Solve for x
x = 518,124,518,275.46/832,806.23 - Step 6: Final answer
x = 622,142.95
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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.