Finding the Fourth Proportional to 832,828.88, 1,149,307.56 and 450,855.65
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Solution
The fourth proportional to 832,828.88, 1,149,307.56 and 450,855.65 is: 622,182.80
Step by Step Solution
- Step 1: Write the proportion equation
832,828.88 : 1,149,307.56 = 450,855.65 : x - Step 2: Convert to fraction form
832,828.88/1,149,307.56 = 450,855.65/x - Step 3: Cross multiply
832,828.88x = 1,149,307.56 × 450,855.65 - Step 4: Simplify right side
832,828.88x = 518,171,801,267.18 - Step 5: Solve for x
x = 518,171,801,267.18/832,828.88 - Step 6: Final answer
x = 622,182.80
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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.