Finding the Fourth Proportional to 872,231.12, 1,203,502.51 and 509,584.91
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Solution
The fourth proportional to 872,231.12, 1,203,502.51 and 509,584.91 is: 703,124.09
Step by Step Solution
- Step 1: Write the proportion equation
872,231.12 : 1,203,502.51 = 509,584.91 : x - Step 2: Convert to fraction form
872,231.12/1,203,502.51 = 509,584.91/x - Step 3: Cross multiply
872,231.12x = 1,203,502.51 × 509,584.91 - Step 4: Simplify right side
872,231.12x = 613,286,712,862.59 - Step 5: Solve for x
x = 613,286,712,862.59/872,231.12 - Step 6: Final answer
x = 703,124.09
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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.