Finding the Fourth Proportional to 998,995.08, 1,497,797.46 and 430,205.61
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Solution
The fourth proportional to 998,995.08, 1,497,797.46 and 430,205.61 is: 645,009.05
Step by Step Solution
- Step 1: Write the proportion equation
998,995.08 : 1,497,797.46 = 430,205.61 : x - Step 2: Convert to fraction form
998,995.08/1,497,797.46 = 430,205.61/x - Step 3: Cross multiply
998,995.08x = 1,497,797.46 × 430,205.61 - Step 4: Simplify right side
998,995.08x = 644,360,869,935.75 - Step 5: Solve for x
x = 644,360,869,935.75/998,995.08 - Step 6: Final answer
x = 645,009.05
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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.