Finding the Fourth Proportional to 995,663.70, 1,493,495.55 and 330,815.70
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Solution
The fourth proportional to 995,663.70, 1,493,495.55 and 330,815.70 is: 496,223.55
Step by Step Solution
- Step 1: Write the proportion equation
995,663.70 : 1,493,495.55 = 330,815.70 : x - Step 2: Convert to fraction form
995,663.70/1,493,495.55 = 330,815.70/x - Step 3: Cross multiply
995,663.70x = 1,493,495.55 × 330,815.70 - Step 4: Simplify right side
995,663.70x = 494,071,775,820.14 - Step 5: Solve for x
x = 494,071,775,820.14/995,663.70 - Step 6: Final answer
x = 496,223.55
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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.