Finding the Fourth Proportional to 910,643.23, 1,365,726.74 and 270,774.65
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Solution
The fourth proportional to 910,643.23, 1,365,726.74 and 270,774.65 is: 406,091.17
Step by Step Solution
- Step 1: Write the proportion equation
910,643.23 : 1,365,726.74 = 270,774.65 : x - Step 2: Convert to fraction form
910,643.23/1,365,726.74 = 270,774.65/x - Step 3: Cross multiply
910,643.23x = 1,365,726.74 × 270,774.65 - Step 4: Simplify right side
910,643.23x = 369,804,171,836.63 - Step 5: Solve for x
x = 369,804,171,836.63/910,643.23 - Step 6: Final answer
x = 406,091.17
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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.