Finding the Fourth Proportional to 805,246.57, 1,206,984.11 and 331,673.59
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Solution
The fourth proportional to 805,246.57, 1,206,984.11 and 331,673.59 is: 497,145.55
Step by Step Solution
- Step 1: Write the proportion equation
805,246.57 : 1,206,984.11 = 331,673.59 : x - Step 2: Convert to fraction form
805,246.57/1,206,984.11 = 331,673.59/x - Step 3: Cross multiply
805,246.57x = 1,206,984.11 × 331,673.59 - Step 4: Simplify right side
805,246.57x = 400,324,748,696.23 - Step 5: Solve for x
x = 400,324,748,696.23/805,246.57 - Step 6: Final answer
x = 497,145.55
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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.