Finding the Fourth Proportional to 998,134.17, 1,498,266.80 and 429,796.65
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Solution
The fourth proportional to 998,134.17, 1,498,266.80 and 429,796.65 is: 645,153.80
Step by Step Solution
- Step 1: Write the proportion equation
998,134.17 : 1,498,266.80 = 429,796.65 : x - Step 2: Convert to fraction form
998,134.17/1,498,266.80 = 429,796.65/x - Step 3: Cross multiply
998,134.17x = 1,498,266.80 × 429,796.65 - Step 4: Simplify right side
998,134.17x = 643,950,051,446.22 - Step 5: Solve for x
x = 643,950,051,446.22/998,134.17 - Step 6: Final answer
x = 645,153.80
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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.