Finding the Fourth Proportional to 998,801.27, 1,499,268.05 and 430,462.84
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Solution
The fourth proportional to 998,801.27, 1,499,268.05 and 430,462.84 is: 646,153.75
Step by Step Solution
- Step 1: Write the proportion equation
998,801.27 : 1,499,268.05 = 430,462.84 : x - Step 2: Convert to fraction form
998,801.27/1,499,268.05 = 430,462.84/x - Step 3: Cross multiply
998,801.27x = 1,499,268.05 × 430,462.84 - Step 4: Simplify right side
998,801.27x = 645,379,182,724.26 - Step 5: Solve for x
x = 645,379,182,724.26/998,801.27 - Step 6: Final answer
x = 646,153.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.