Finding the Fourth Proportional to 822,130.14, 1,134,722.58 and 499,772
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Solution
The fourth proportional to 822,130.14, 1,134,722.58 and 499,772 is: 689,796.60
Step by Step Solution
- Step 1: Write the proportion equation
822,130.14 : 1,134,722.58 = 499,772 : x - Step 2: Convert to fraction form
822,130.14/1,134,722.58 = 499,772/x - Step 3: Cross multiply
822,130.14x = 1,134,722.58 × 499,772 - Step 4: Simplify right side
822,130.14x = 567,102,573,251.76 - Step 5: Solve for x
x = 567,102,573,251.76/822,130.14 - Step 6: Final answer
x = 689,796.60
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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.