Finding the Fourth Proportional to 832,824.56, 1,149,288.36 and 450,842.96
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Solution
The fourth proportional to 832,824.56, 1,149,288.36 and 450,842.96 is: 622,158.12
Step by Step Solution
- Step 1: Write the proportion equation
832,824.56 : 1,149,288.36 = 450,842.96 : x - Step 2: Convert to fraction form
832,824.56/1,149,288.36 = 450,842.96/x - Step 3: Cross multiply
832,824.56x = 1,149,288.36 × 450,842.96 - Step 4: Simplify right side
832,824.56x = 518,148,566,115.95 - Step 5: Solve for x
x = 518,148,566,115.95/832,824.56 - Step 6: Final answer
x = 622,158.12
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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.