Finding the Fourth Proportional to 862,026.08, 1,189,519.80 and 499,334
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Solution
The fourth proportional to 862,026.08, 1,189,519.80 and 499,334 is: 689,036.79
Step by Step Solution
- Step 1: Write the proportion equation
862,026.08 : 1,189,519.80 = 499,334 : x - Step 2: Convert to fraction form
862,026.08/1,189,519.80 = 499,334/x - Step 3: Cross multiply
862,026.08x = 1,189,519.80 × 499,334 - Step 4: Simplify right side
862,026.08x = 593,967,679,813.20 - Step 5: Solve for x
x = 593,967,679,813.20/862,026.08 - Step 6: Final answer
x = 689,036.79
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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.