Finding the Fourth Proportional to 805,588.40, 1,207,000.20 and 524,961.20
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Solution
The fourth proportional to 805,588.40, 1,207,000.20 and 524,961.20 is: 786,540.96
Step by Step Solution
- Step 1: Write the proportion equation
805,588.40 : 1,207,000.20 = 524,961.20 : x - Step 2: Convert to fraction form
805,588.40/1,207,000.20 = 524,961.20/x - Step 3: Cross multiply
805,588.40x = 1,207,000.20 × 524,961.20 - Step 4: Simplify right side
805,588.40x = 633,628,273,392.24 - Step 5: Solve for x
x = 633,628,273,392.24/805,588.40 - Step 6: Final answer
x = 786,540.96
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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.