Finding the Fourth Proportional to 998,805.13, 1,498,251.44 and 288,904.93
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Solution
The fourth proportional to 998,805.13, 1,498,251.44 and 288,904.93 is: 433,370.05
Step by Step Solution
- Step 1: Write the proportion equation
998,805.13 : 1,498,251.44 = 288,904.93 : x - Step 2: Convert to fraction form
998,805.13/1,498,251.44 = 288,904.93/x - Step 3: Cross multiply
998,805.13x = 1,498,251.44 × 288,904.93 - Step 4: Simplify right side
998,805.13x = 432,852,225,951.08 - Step 5: Solve for x
x = 432,852,225,951.08/998,805.13 - Step 6: Final answer
x = 433,370.05
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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.