Finding the Fourth Proportional to 563,118.72, 776,481.12 and 358,846.07
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Solution
The fourth proportional to 563,118.72, 776,481.12 and 358,846.07 is: 494,810.75
Step by Step Solution
- Step 1: Write the proportion equation
563,118.72 : 776,481.12 = 358,846.07 : x - Step 2: Convert to fraction form
563,118.72/776,481.12 = 358,846.07/x - Step 3: Cross multiply
563,118.72x = 776,481.12 × 358,846.07 - Step 4: Simplify right side
563,118.72x = 278,637,194,458.79 - Step 5: Solve for x
x = 278,637,194,458.79/563,118.72 - Step 6: Final answer
x = 494,810.75
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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.