Finding the Fourth Proportional to 783,855.41, 1,081,719.68 and 444,323.66
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Solution
The fourth proportional to 783,855.41, 1,081,719.68 and 444,323.66 is: 613,166.20
Step by Step Solution
- Step 1: Write the proportion equation
783,855.41 : 1,081,719.68 = 444,323.66 : x - Step 2: Convert to fraction form
783,855.41/1,081,719.68 = 444,323.66/x - Step 3: Cross multiply
783,855.41x = 1,081,719.68 × 444,323.66 - Step 4: Simplify right side
783,855.41x = 480,633,639,681.41 - Step 5: Solve for x
x = 480,633,639,681.41/783,855.41 - Step 6: Final answer
x = 613,166.20
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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.