Finding the Fourth Proportional to 955,355.15, 1,431,946.32 and 499,243.15
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Solution
The fourth proportional to 955,355.15, 1,431,946.32 and 499,243.15 is: 748,296.99
Step by Step Solution
- Step 1: Write the proportion equation
955,355.15 : 1,431,946.32 = 499,243.15 : x - Step 2: Convert to fraction form
955,355.15/1,431,946.32 = 499,243.15/x - Step 3: Cross multiply
955,355.15x = 1,431,946.32 × 499,243.15 - Step 4: Simplify right side
955,355.15x = 714,889,391,244.14 - Step 5: Solve for x
x = 714,889,391,244.14/955,355.15 - Step 6: Final answer
x = 748,296.99
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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.