Finding the Fourth Proportional to 571,099.99, 788,118.84 and 312,935.91
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Solution
The fourth proportional to 571,099.99, 788,118.84 and 312,935.91 is: 431,852.03
Step by Step Solution
- Step 1: Write the proportion equation
571,099.99 : 788,118.84 = 312,935.91 : x - Step 2: Convert to fraction form
571,099.99/788,118.84 = 312,935.91/x - Step 3: Cross multiply
571,099.99x = 788,118.84 × 312,935.91 - Step 4: Simplify right side
571,099.99x = 246,630,686,383.54 - Step 5: Solve for x
x = 246,630,686,383.54/571,099.99 - Step 6: Final answer
x = 431,852.03
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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.