Finding the Fourth Proportional to 988,933.80, 1,483,400.70 and 817,691.70
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Solution
The fourth proportional to 988,933.80, 1,483,400.70 and 817,691.70 is: 1,226,537.55
Step by Step Solution
- Step 1: Write the proportion equation
988,933.80 : 1,483,400.70 = 817,691.70 : x - Step 2: Convert to fraction form
988,933.80/1,483,400.70 = 817,691.70/x - Step 3: Cross multiply
988,933.80x = 1,483,400.70 × 817,691.70 - Step 4: Simplify right side
988,933.80x = 1,212,964,440,164.19 - Step 5: Solve for x
x = 1,212,964,440,164.19/988,933.80 - Step 6: Final answer
x = 1,226,537.55
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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.