Finding the Fourth Proportional to 700,913.79, 967,260.06 and 378,623.79
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Solution
The fourth proportional to 700,913.79, 967,260.06 and 378,623.79 is: 522,500.31
Step by Step Solution
- Step 1: Write the proportion equation
700,913.79 : 967,260.06 = 378,623.79 : x - Step 2: Convert to fraction form
700,913.79/967,260.06 = 378,623.79/x - Step 3: Cross multiply
700,913.79x = 967,260.06 × 378,623.79 - Step 4: Simplify right side
700,913.79x = 366,227,669,832.83 - Step 5: Solve for x
x = 366,227,669,832.83/700,913.79 - Step 6: Final answer
x = 522,500.31
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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.