Finding the Fourth Proportional to 656,920.91, 906,715.98 and 370,607.07
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Solution
The fourth proportional to 656,920.91, 906,715.98 and 370,607.07 is: 511,530.92
Step by Step Solution
- Step 1: Write the proportion equation
656,920.91 : 906,715.98 = 370,607.07 : x - Step 2: Convert to fraction form
656,920.91/906,715.98 = 370,607.07/x - Step 3: Cross multiply
656,920.91x = 906,715.98 × 370,607.07 - Step 4: Simplify right side
656,920.91x = 336,035,352,669.98 - Step 5: Solve for x
x = 336,035,352,669.98/656,920.91 - Step 6: Final answer
x = 511,530.92
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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.