Finding the Fourth Proportional to 556,035.36, 833,925.12 and 331,459.20
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Solution
The fourth proportional to 556,035.36, 833,925.12 and 331,459.20 is: 497,112.55
Step by Step Solution
- Step 1: Write the proportion equation
556,035.36 : 833,925.12 = 331,459.20 : x - Step 2: Convert to fraction form
556,035.36/833,925.12 = 331,459.20/x - Step 3: Cross multiply
556,035.36x = 833,925.12 × 331,459.20 - Step 4: Simplify right side
556,035.36x = 276,412,153,135.10 - Step 5: Solve for x
x = 276,412,153,135.10/556,035.36 - Step 6: Final answer
x = 497,112.55
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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.