Finding the Fourth Proportional to 998,806.13, 1,498,252.94 and 288,905.93
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Solution
The fourth proportional to 998,806.13, 1,498,252.94 and 288,905.93 is: 433,371.55
Step by Step Solution
- Step 1: Write the proportion equation
998,806.13 : 1,498,252.94 = 288,905.93 : x - Step 2: Convert to fraction form
998,806.13/1,498,252.94 = 288,905.93/x - Step 3: Cross multiply
998,806.13x = 1,498,252.94 × 288,905.93 - Step 4: Simplify right side
998,806.13x = 432,854,157,561.41 - Step 5: Solve for x
x = 432,854,157,561.41/998,806.13 - Step 6: Final answer
x = 433,371.55
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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.