Finding the Fourth Proportional to 659,927.41, 910,694.51 and 358,121.41
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Solution
The fourth proportional to 659,927.41, 910,694.51 and 358,121.41 is: 494,204.66
Step by Step Solution
- Step 1: Write the proportion equation
659,927.41 : 910,694.51 = 358,121.41 : x - Step 2: Convert to fraction form
659,927.41/910,694.51 = 358,121.41/x - Step 3: Cross multiply
659,927.41x = 910,694.51 × 358,121.41 - Step 4: Simplify right side
659,927.41x = 326,139,199,276.07 - Step 5: Solve for x
x = 326,139,199,276.07/659,927.41 - Step 6: Final answer
x = 494,204.66
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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.