Finding the Fourth Proportional to 979,126.09, 1,468,759.34 and 409,934.41
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Solution
The fourth proportional to 979,126.09, 1,468,759.34 and 409,934.41 is: 614,931.01
Step by Step Solution
- Step 1: Write the proportion equation
979,126.09 : 1,468,759.34 = 409,934.41 : x - Step 2: Convert to fraction form
979,126.09/1,468,759.34 = 409,934.41/x - Step 3: Cross multiply
979,126.09x = 1,468,759.34 × 409,934.41 - Step 4: Simplify right side
979,126.09x = 602,094,991,425.22 - Step 5: Solve for x
x = 602,094,991,425.22/979,126.09 - Step 6: Final answer
x = 614,931.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.