Finding the Fourth Proportional to 606,989.70, 910,484.55 and 488,891.70
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Solution
The fourth proportional to 606,989.70, 910,484.55 and 488,891.70 is: 733,337.55
Step by Step Solution
- Step 1: Write the proportion equation
606,989.70 : 910,484.55 = 488,891.70 : x - Step 2: Convert to fraction form
606,989.70/910,484.55 = 488,891.70/x - Step 3: Cross multiply
606,989.70x = 910,484.55 × 488,891.70 - Step 4: Simplify right side
606,989.70x = 445,128,339,473.24 - Step 5: Solve for x
x = 445,128,339,473.24/606,989.70 - Step 6: Final answer
x = 733,337.55
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1.5x scale
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.