Finding the Fourth Proportional to 586,272.38, 808,987.79 and 328,163.71
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Solution
The fourth proportional to 586,272.38, 808,987.79 and 328,163.71 is: 452,827.79
Step by Step Solution
- Step 1: Write the proportion equation
586,272.38 : 808,987.79 = 328,163.71 : x - Step 2: Convert to fraction form
586,272.38/808,987.79 = 328,163.71/x - Step 3: Cross multiply
586,272.38x = 808,987.79 × 328,163.71 - Step 4: Simplify right side
586,272.38x = 265,480,428,825.34 - Step 5: Solve for x
x = 265,480,428,825.34/586,272.38 - Step 6: Final answer
x = 452,827.79
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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.