Finding the Fourth Proportional to 539,696.25, 744,846.44 and 313,341.75
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Solution
The fourth proportional to 539,696.25, 744,846.44 and 313,341.75 is: 432,449.71
Step by Step Solution
- Step 1: Write the proportion equation
539,696.25 : 744,846.44 = 313,341.75 : x - Step 2: Convert to fraction form
539,696.25/744,846.44 = 313,341.75/x - Step 3: Cross multiply
539,696.25x = 744,846.44 × 313,341.75 - Step 4: Simplify right side
539,696.25x = 233,391,485,424.16 - Step 5: Solve for x
x = 233,391,485,424.16/539,696.25 - Step 6: Final answer
x = 432,449.71
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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.