Finding the Fourth Proportional to 772,618.26, 1,159,246.26 and 417,213.75
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Solution
The fourth proportional to 772,618.26, 1,159,246.26 and 417,213.75 is: 625,992.81
Step by Step Solution
- Step 1: Write the proportion equation
772,618.26 : 1,159,246.26 = 417,213.75 : x - Step 2: Convert to fraction form
772,618.26/1,159,246.26 = 417,213.75/x - Step 3: Cross multiply
772,618.26x = 1,159,246.26 × 417,213.75 - Step 4: Simplify right side
772,618.26x = 483,653,479,308.08 - Step 5: Solve for x
x = 483,653,479,308.08/772,618.26 - Step 6: Final answer
x = 625,992.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.