Finding the Fourth Proportional to 772,357.88, 1,158,252.41 and 266,789.09
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Solution
The fourth proportional to 772,357.88, 1,158,252.41 and 266,789.09 is: 400,085.40
Step by Step Solution
- Step 1: Write the proportion equation
772,357.88 : 1,158,252.41 = 266,789.09 : x - Step 2: Convert to fraction form
772,357.88/1,158,252.41 = 266,789.09/x - Step 3: Cross multiply
772,357.88x = 1,158,252.41 × 266,789.09 - Step 4: Simplify right side
772,357.88x = 309,009,110,016.81 - Step 5: Solve for x
x = 309,009,110,016.81/772,357.88 - Step 6: Final answer
x = 400,085.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.