Finding the Fourth Proportional to 974,138.70, 1,461,208.05 and 442,697.70
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Solution
The fourth proportional to 974,138.70, 1,461,208.05 and 442,697.70 is: 664,046.55
Step by Step Solution
- Step 1: Write the proportion equation
974,138.70 : 1,461,208.05 = 442,697.70 : x - Step 2: Convert to fraction form
974,138.70/1,461,208.05 = 442,697.70/x - Step 3: Cross multiply
974,138.70x = 1,461,208.05 × 442,697.70 - Step 4: Simplify right side
974,138.70x = 646,873,442,956.49 - Step 5: Solve for x
x = 646,873,442,956.49/974,138.70 - Step 6: Final answer
x = 664,046.55
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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.