Finding the Fourth Proportional to 988,923.98, 1,364,723.28 and 536,214.98
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Solution
The fourth proportional to 988,923.98, 1,364,723.28 and 536,214.98 is: 739,981.11
Step by Step Solution
- Step 1: Write the proportion equation
988,923.98 : 1,364,723.28 = 536,214.98 : x - Step 2: Convert to fraction form
988,923.98/1,364,723.28 = 536,214.98/x - Step 3: Cross multiply
988,923.98x = 1,364,723.28 × 536,214.98 - Step 4: Simplify right side
988,923.98x = 731,785,066,290.73 - Step 5: Solve for x
x = 731,785,066,290.73/988,923.98 - Step 6: Final answer
x = 739,981.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.