Finding the Fourth Proportional to 539,026.71, 743,860.38 and 297,315.82
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Solution
The fourth proportional to 539,026.71, 743,860.38 and 297,315.82 is: 410,297.77
Step by Step Solution
- Step 1: Write the proportion equation
539,026.71 : 743,860.38 = 297,315.82 : x - Step 2: Convert to fraction form
539,026.71/743,860.38 = 297,315.82/x - Step 3: Cross multiply
539,026.71x = 743,860.38 × 297,315.82 - Step 4: Simplify right side
539,026.71x = 221,161,458,845.21 - Step 5: Solve for x
x = 221,161,458,845.21/539,026.71 - Step 6: Final answer
x = 410,297.77
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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.