Finding the Fourth Proportional to 775,029.34, 1,069,094.59 and 484,135.21
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Solution
The fourth proportional to 775,029.34, 1,069,094.59 and 484,135.21 is: 667,828.05
Step by Step Solution
- Step 1: Write the proportion equation
775,029.34 : 1,069,094.59 = 484,135.21 : x - Step 2: Convert to fraction form
775,029.34/1,069,094.59 = 484,135.21/x - Step 3: Cross multiply
775,029.34x = 1,069,094.59 × 484,135.21 - Step 4: Simplify right side
775,029.34x = 517,586,333,839.51 - Step 5: Solve for x
x = 517,586,333,839.51/775,029.34 - Step 6: Final answer
x = 667,828.05
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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.