Finding the Fourth Proportional to 498,597.36, 688,055.68 and 283,732.96
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Solution
The fourth proportional to 498,597.36, 688,055.68 and 283,732.96 is: 391,546.55
Step by Step Solution
- Step 1: Write the proportion equation
498,597.36 : 688,055.68 = 283,732.96 : x - Step 2: Convert to fraction form
498,597.36/688,055.68 = 283,732.96/x - Step 3: Cross multiply
498,597.36x = 688,055.68 × 283,732.96 - Step 4: Simplify right side
498,597.36x = 195,224,074,731.21 - Step 5: Solve for x
x = 195,224,074,731.21/498,597.36 - Step 6: Final answer
x = 391,546.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.