Finding the Fourth Proportional to 988,892.80, 1,483,252.80 and 324,044.80
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Solution
The fourth proportional to 988,892.80, 1,483,252.80 and 324,044.80 is: 486,038.89
Step by Step Solution
- Step 1: Write the proportion equation
988,892.80 : 1,483,252.80 = 324,044.80 : x - Step 2: Convert to fraction form
988,892.80/1,483,252.80 = 324,044.80/x - Step 3: Cross multiply
988,892.80x = 1,483,252.80 × 324,044.80 - Step 4: Simplify right side
988,892.80x = 480,640,356,925.44 - Step 5: Solve for x
x = 480,640,356,925.44/988,892.80 - Step 6: Final answer
x = 486,038.89
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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.