Finding the Fourth Proportional to 694,724.07, 958,719.21 and 376,772.07
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Solution
The fourth proportional to 694,724.07, 958,719.21 and 376,772.07 is: 519,945.45
Step by Step Solution
- Step 1: Write the proportion equation
694,724.07 : 958,719.21 = 376,772.07 : x - Step 2: Convert to fraction form
694,724.07/958,719.21 = 376,772.07/x - Step 3: Cross multiply
694,724.07x = 958,719.21 × 376,772.07 - Step 4: Simplify right side
694,724.07x = 361,218,621,300.47 - Step 5: Solve for x
x = 361,218,621,300.47/694,724.07 - Step 6: Final answer
x = 519,945.45
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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.