Finding the Fourth Proportional to 986,651.34, 1,480,029.24 and 312,785.21
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Solution
The fourth proportional to 986,651.34, 1,480,029.24 and 312,785.21 is: 469,194.38
Step by Step Solution
- Step 1: Write the proportion equation
986,651.34 : 1,480,029.24 = 312,785.21 : x - Step 2: Convert to fraction form
986,651.34/1,480,029.24 = 312,785.21/x - Step 3: Cross multiply
986,651.34x = 1,480,029.24 × 312,785.21 - Step 4: Simplify right side
986,651.34x = 462,931,261,512.56 - Step 5: Solve for x
x = 462,931,261,512.56/986,651.34 - Step 6: Final answer
x = 469,194.38
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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.