Finding the Fourth Proportional to 805,280.36, 1,207,034.80 and 331,707.36
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Solution
The fourth proportional to 805,280.36, 1,207,034.80 and 331,707.36 is: 497,196.19
Step by Step Solution
- Step 1: Write the proportion equation
805,280.36 : 1,207,034.80 = 331,707.36 : x - Step 2: Convert to fraction form
805,280.36/1,207,034.80 = 331,707.36/x - Step 3: Cross multiply
805,280.36x = 1,207,034.80 × 331,707.36 - Step 4: Simplify right side
805,280.36x = 400,382,326,936.13 - Step 5: Solve for x
x = 400,382,326,936.13/805,280.36 - Step 6: Final answer
x = 497,196.19
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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.